How Does Canvas Calculate Weighted Grades

How Does Canvas Calculate Weighted Grades? – Grade Calculator body { font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif; background-color: #f8f9fa; color: #333; line-height: 1.6; margin: 0; padding: 0; } .container { max-width: 960px; margin: 20px auto; padding: 25px; background-color: #ffffff; border-radius: 8px; box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1); } h1, h2, h3 { color: #004a99; text-align: center; margin-bottom: 20px; } h1 { font-size: 2.2em; } h2 { font-size: 1.8em; border-bottom: 2px solid #eee; padding-bottom: 10px; margin-top: 30px; } h3 { font-size: 1.4em; margin-top: 25px; } .calculator-section { background-color: #eef5ff; padding: 30px; border-radius: 8px; margin-bottom: 30px; border: 1px solid #d0e0f0; } .input-group { margin-bottom: 20px; padding: 15px; background-color: #fff; border-radius: 5px; border: 1px solid #e0e0e0; display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; } .input-group label { flex: 1 1 150px; margin-right: 15px; font-weight: bold; color: #004a99; font-size: 0.95em; } .input-group input[type="number"], .input-group input[type="text"], .input-group select { flex: 1 1 150px; padding: 10px 12px; border: 1px solid #ccc; border-radius: 4px; font-size: 1em; box-sizing: border-box; min-width: 120px; } .input-group select { cursor: pointer; } .input-group small { flex-basis: 100%; margin-top: 10px; color: #6c757d; font-size: 0.85em; } .error-message { color: #dc3545; font-size: 0.85em; margin-top: 5px; width: 100%; text-align: right; } .button-group { text-align: center; margin-top: 25px; } .button-group button, .button-group input[type="button"] { background-color: #004a99; color: white; border: none; padding: 12px 25px; border-radius: 5px; cursor: pointer; font-size: 1em; margin: 0 10px; transition: background-color 0.3s ease; } .button-group button:hover, .button-group input[type="button"]:hover { background-color: #003a7a; } #result-section { background-color: #28a745; color: white; padding: 25px; border-radius: 8px; margin-top: 30px; text-align: center; box-shadow: inset 0 0 10px rgba(0, 0, 0, 0.2); } #result-section h3 { color: white; margin-bottom: 15px; } #primary-result { font-size: 2.5em; font-weight: bold; margin-bottom: 10px; display: block; } .intermediate-results div, .key-assumptions div { font-size: 1.1em; margin-bottom: 8px; } .intermediate-results span, .key-assumptions span { font-weight: bold; color: #fff; padding: 2px 5px; border-radius: 3px; } .chart-container { text-align: center; margin-top: 30px; background-color: #fff; padding: 20px; border-radius: 8px; border: 1px solid #e0e0e0; } canvas { max-width: 100%; height: auto; } .chart-caption { font-style: italic; color: #666; font-size: 0.9em; margin-top: 10px; } table { width: 100%; border-collapse: collapse; margin-top: 20px; background-color: #fff; box-shadow: 0 2px 5px rgba(0, 0, 0, 0.05); } th, td { padding: 12px 15px; text-align: left; border-bottom: 1px solid #ddd; } th { background-color: #004a99; color: white; font-weight: bold; } tr:hover { background-color: #f1f1f1; } .table-caption { font-style: italic; color: #666; font-size: 0.9em; margin-bottom: 10px; } .article-content { margin-top: 40px; background-color: #fff; padding: 30px; border-radius: 8px; box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05); } .article-content p, .article-content ul, .article-content ol { margin-bottom: 15px; } .article-content h2, .article-content h3 { text-align: left; margin-top: 30px; } .article-content h2 { font-size: 1.8em; border-bottom: 2px solid #eee; padding-bottom: 10px; } .article-content h3 { font-size: 1.4em; } .article-content li { margin-bottom: 8px; } .article-content strong { color: #004a99; } .variable-table th, .variable-table td { text-align: center; } .variable-table th { background-color: #007bff; } .faq-item { margin-bottom: 15px; padding: 10px; border: 1px solid #e0e0e0; border-radius: 5px; } .faq-question { font-weight: bold; color: #004a99; cursor: pointer; display: block; margin-bottom: 5px; } .faq-answer { display: none; padding-left: 15px; border-left: 2px solid #004a99; margin-top: 8px; } .internal-links ul { list-style: none; padding: 0; } .internal-links li { margin-bottom: 10px; } .internal-links a { color: #004a99; text-decoration: none; font-weight: bold; } .internal-links a:hover { text-decoration: underline; } .internal-links p { font-size: 0.9em; color: #555; margin-top: 5px; } .highlight { background-color: #ffecb3; padding: 2px 4px; border-radius: 3px; }

How Does Canvas Calculate Weighted Grades?

Understand and calculate your weighted grades accurately on Canvas with our intuitive tool.

Weighted Grade Calculator

Enter the points you earned.
Enter the maximum points for this assignment.
Assignments Quizzes Exams Projects Participation Select the category this assignment belongs to.
Enter the percentage this category contributes to the total grade (e.g., 30 for 30%).

Your Current Weighted Grade

–.–%

Formula: Total Weighted Score / Total Possible Weighted Score * 100

Weighted Score for an Assignment = (Your Score / Total Points Possible) * Category Weight

Grade Distribution by Category

Visualizing the contribution of each grade category to your overall score.

Assignment Breakdown

Assignment Name Category Score Total Points Category Weight Assignment % Weighted Contribution
Detailed breakdown of each assignment and its contribution to your weighted grade.

What is How Canvas Calculates Weighted Grades?

Understanding how Canvas calculates weighted grades is crucial for any student aiming to manage their academic performance effectively. Unlike simple percentage-based grading where each assignment contributes equally based on its points, weighted grading assigns different levels of importance to various assignments, quizzes, exams, or projects. This system allows instructors to emphasize certain types of assessments over others, reflecting the learning objectives and the effort expected for each component of the course. When you ask how does Canvas calculate weighted grades, you're delving into a structured method that ensures each part of your course grade is accounted for according to its predetermined value. This is particularly important because a high score on a low-weight assignment won't boost your overall grade as much as a similar score on a high-weight assignment, and conversely, a lower score on a low-weight assignment will have less impact than on a high-weight one. Many students find this method of grade calculation more equitable as it aligns with the instructor's pedagogical priorities. Understanding this system helps you prioritize your study efforts and identify areas where you need to focus more to improve your overall academic standing.

Students who primarily use the Canvas Learning Management System (LMS) will directly interact with this grading system. Anyone taking a course administered through Canvas, from K-12 to higher education and professional development, will experience weighted grading if their instructor has set it up. Understanding how Canvas calculates weighted grades empowers students to take control of their learning journey, make informed decisions about where to allocate their study time, and accurately predict their final grade based on future performance. It moves beyond simply accumulating points to understanding the strategic value of each graded component.

Common misconceptions about weighted grading include believing that the total points of an assignment directly determine its impact on the final grade (when it's the category weight that truly matters) or assuming that a perfect score on every assignment guarantees a perfect final grade, regardless of category weighting. Another misconception is that all courses use weighted grading; some still use simple point-based systems. Grasping the nuances of how does Canvas calculate weighted grades helps clear up these points of confusion.

Weighted Grade Formula and Mathematical Explanation

The core of understanding how Canvas calculates weighted grades lies in its formula. Canvas uses a method that first calculates the percentage score for each assignment, then multiplies that percentage by the weight of the category it belongs to. Finally, it sums up these weighted scores and divides by the sum of the weights of all graded components. The resulting percentage represents your overall grade.

The calculation can be broken down into these steps:

  1. Calculate the percentage for each individual assignment:
    Assignment Percentage = (Your Score on Assignment / Total Points Possible for Assignment) * 100
  2. Calculate the weighted score for each assignment:
    Weighted Assignment Score = Assignment Percentage * (Category Weight / 100)
  3. Calculate the total weighted score for all assignments:
    Total Weighted Score = Sum of all Weighted Assignment Scores
  4. Calculate the total possible weighted score (sum of all category weights):
    Total Possible Weight = Sum of all Category Weights (expressed as a percentage, typically 100%)
  5. Calculate the final overall weighted grade:
    Overall Weighted Grade (%) = (Total Weighted Score / Total Possible Weight) * 100

Essentially, Canvas ensures that each category's contribution is proportional to its set weight. If 'Exams' are worth 50% and 'Homework' is worth 30%, your performance in the 'Exams' category will have a significantly larger impact on your final grade than your performance in the 'Homework' category.

Variables Table

Variable Meaning Unit Typical Range
Your Score on Assignment The points earned by the student for a specific assignment. Points 0 to Total Points Possible
Total Points Possible for Assignment The maximum points achievable for a specific assignment. Points > 0
Assignment Percentage The score of an assignment expressed as a percentage (0-100%). % 0 to 100
Category Weight The predefined importance of a grade category (e.g., Exams, Quizzes) as a percentage of the total course grade. % 0 to 100 (sum of all category weights should ideally be 100%)
Weighted Assignment Score The contribution of an individual assignment's score to the overall grade, adjusted by its category weight. % of Total Course Grade 0 to Category Weight
Total Weighted Score The sum of all weighted assignment scores across all categories. % of Total Course Grade 0 to 100
Total Possible Weight The sum of all category weights defined in the course. Should typically equal 100%. % Typically 100
Overall Weighted Grade The final calculated grade for the course. % 0 to 100

Practical Examples (Real-World Use Cases)

Let's illustrate how Canvas calculates weighted grades with practical examples.

Example 1: A Student Performing Well

Consider a student, Alex, in a course with the following grade categories:

  • Assignments: 40%
  • Quizzes: 30%
  • Exams: 30%

Alex's current performance:

  • Assignments: Scored 90% on all assignments. (0.90 * 40% = 36% contribution)
  • Quizzes: Scored 95% on all quizzes. (0.95 * 30% = 28.5% contribution)
  • Exams: Scored 88% on the midterm exam. (0.88 * 30% = 26.4% contribution)

Calculation:

  • Total Weighted Score = 36% + 28.5% + 26.4% = 90.9%
  • Total Possible Weight = 40% + 30% + 30% = 100%
  • Alex's Overall Weighted Grade = (90.9% / 100%) * 100 = 90.9%

Interpretation: Alex is performing very well, earning a solid 'A-' grade, demonstrating consistent strength across all assessment types relative to their importance.

Example 2: A Student Needing Improvement

Consider another student, Ben, in the same course:

  • Assignments: 40%
  • Quizzes: 30%
  • Exams: 30%

Ben's current performance:

  • Assignments: Scored 75% on all assignments. (0.75 * 40% = 30% contribution)
  • Quizzes: Scored 60% on all quizzes. (0.60 * 30% = 18% contribution)
  • Exams: Scored 70% on the midterm exam. (0.70 * 30% = 21% contribution)

Calculation:

  • Total Weighted Score = 30% + 18% + 21% = 69%
  • Total Possible Weight = 40% + 30% + 30% = 100%
  • Ben's Overall Weighted Grade = (69% / 100%) * 100 = 69%

Interpretation: Ben's overall grade is a 'D'. While his assignment scores are decent, his lower performance in quizzes and exams, which carry significant weight, is pulling his overall grade down. He needs to focus more effort on quizzes and exams to improve his final standing. This clearly shows how Canvas calculates weighted grades based on effort distribution.

How to Use This Weighted Grade Calculator

Using this calculator is straightforward and designed to give you instant feedback on your academic standing within Canvas.

  1. Enter Assignment Details: In the "Assignment Details" section, input the name of your assignment, the score you received, and the total points possible for that assignment.
  2. Assign to Category: Select the correct grade category from the dropdown list (e.g., Assignments, Quizzes, Exams).
  3. Input Category Weight: Enter the percentage weight for the selected category. This is the percentage that this category contributes to your overall course grade (e.g., if Exams are worth 30% of your total grade, enter '30').
  4. Add Assignment: Click the "Add Assignment" button. The calculator will process the information, update your current weighted grade, and add the assignment to the breakdown table.
  5. Add More Assignments: Repeat steps 1-4 for all your graded components to get a comprehensive view of your progress.
  6. Review Results: Your primary highlighted result shows your current overall weighted grade percentage. The intermediate results provide a breakdown by category and the total weighted points accumulated. The table below offers a detailed look at each assignment's contribution.
  7. Use the Reset Button: If you want to start over or clear the current entries, click the "Reset" button. This will revert the calculator to its initial state.
  8. Copy Results: Click "Copy Results" to copy the main grade, intermediate values, and key assumptions to your clipboard, which can be useful for record-keeping or sharing.

Decision-Making Guidance: Use the results to identify which categories are most impacting your grade. If your overall grade is lower than desired, focus your efforts on improving performance in the highest-weighted categories. This tool helps you strategize your academic efforts effectively based on how Canvas calculates weighted grades.

Key Factors That Affect Weighted Grade Results

Several factors play a significant role in determining your final weighted grade in Canvas:

  1. Category Weights: This is the most dominant factor. A category with a higher percentage weight (e.g., 50% for Exams) will have a much larger impact on your final grade than a category with a lower weight (e.g., 10% for Homework). Improving your score in a high-weight category yields greater benefits.
  2. Individual Assignment Scores: While category weight is crucial, the actual score you achieve on each assignment within that category matters. Even a low-weight category can significantly drag down your grade if you consistently perform poorly on its assignments. Conversely, excelling in even lower-weighted categories helps maintain a strong overall average.
  3. Number of Assignments per Category: If a category has many assignments, the average score across those assignments becomes the defining factor for that category's contribution. A single poor score in a category with few assignments will have a greater impact than a similar score in a category with many assignments where it can be averaged out.
  4. Accuracy of Input Data: The calculator's results are only as good as the data you input. Incorrectly entering assignment scores, total points, or category weights will lead to inaccurate grade calculations. Double-checking your inputs is vital for understanding how Canvas calculates weighted grades accurately for your situation.
  5. Instructor's Grading Scheme Setup: The way an instructor configures the weighted grading scheme in Canvas directly dictates the calculation. This includes the names of categories, their respective weights, and how assignments are grouped. Understanding your instructor's specific setup is key.
  6. Dropping Lowest Scores: Some instructors may set up their gradebook to automatically drop the lowest score in a particular category (e.g., lowest quiz score). This feature can positively impact your average for that category and, consequently, your overall weighted grade.
  7. Rounding Rules: While Canvas itself might have internal rounding for intermediate calculations, the final displayed grade percentage can be affected by how you interpret or round it. However, the underlying calculation method remains consistent.

Frequently Asked Questions (FAQ)

Q1: Does Canvas automatically round grades?
Canvas typically displays grades as calculated percentages without aggressive rounding until the very final calculation, depending on instructor settings. The raw calculation is usually precise. Our calculator mirrors this precise calculation.
Q2: What happens if the category weights don't add up to 100%?
If the weights don't sum to 100%, Canvas will still calculate the grade based on the total weight defined. For example, if weights only sum to 90%, the maximum possible grade you could achieve is 90% of the total course score. Our calculator adjusts for this by dividing by the sum of the weights entered.
Q3: Can I see how my grade changes if I get a certain score on a future assignment?
Yes, this calculator allows you to simulate future scores. Simply input the score you anticipate for an upcoming assignment, and click "Add Assignment" (you might need to adjust category weights or assignment names if adding hypothetically). Observe how the primary result changes. This is a powerful tool for academic planning.
Q4: How does Canvas handle extra credit?
Extra credit can be implemented in Canvas in a few ways: as a separate category, as bonus points on an existing assignment, or as a separate assignment with 0 points but positive weight. The specific implementation by the instructor determines how it affects your weighted grade. Our calculator primarily handles standard weighted assignments; complex extra credit might require manual adjustment or a more specialized tool.
Q5: What's the difference between weighted grading and points-based grading?
In points-based grading, the final grade is determined solely by the total number of points earned divided by the total number of points possible across all assignments. In weighted grading, assignments are grouped into categories, and each category has a specific percentage value that contributes to the final grade, regardless of the total points within that category. Understanding how Canvas calculates weighted grades highlights this key distinction.
Q6: Can an instructor change category weights mid-semester?
Generally, instructors should set and communicate grading schemes at the beginning of the course. Significant changes to weights mid-semester are uncommon and often require clear communication and justification. Always refer to your course syllabus for the definitive grading policy.
Q7: My Canvas grade looks different from this calculator. Why?
Possible reasons include: instructor settings for assignment weighting not being fully updated yet, different rounding rules applied by the instructor, inclusion of extra credit assignments not accounted for in this basic calculator, or specific rules for dropping lowest scores that need to be manually factored in. Always cross-reference with your official course syllabus and instructor.
Q8: How can I use this calculator to aim for a specific grade?
To aim for a specific grade (e.g., 90%), you can work backward. Use the calculator to enter your current assignments, then hypothesize scores for future assignments in relevant categories. Adjust hypothetical scores until your overall calculated grade reaches your target. This proactive approach is key to mastering how Canvas calculates weighted grades to your advantage.

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var assignments = []; var chartInstance = null; function isValidNumber(value) { return !isNaN(parseFloat(value)) && isFinite(value); } function updateResults() { var totalWeightedScore = 0; var totalPossibleWeight = 0; var categoryTotals = {}; // { CategoryName: { earnedPoints: 0, possiblePoints: 0 } } var assignmentTableBody = document.querySelector("#assignmentTable tbody"); assignmentTableBody.innerHTML = ""; // Clear existing rows // Calculate total possible weight from all unique category weights entered var uniqueCategoryWeights = {}; assignments.forEach(function(assign) { if (!uniqueCategoryWeights[assign.category]) { uniqueCategoryWeights[assign.category] = parseFloat(assign.categoryWeight); } }); totalPossibleWeight = Object.values(uniqueCategoryWeights).reduce(function(sum, weight) { return sum + parseFloat(weight); }, 0); assignments.forEach(function(assignment) { var score = parseFloat(assignment.score); var totalPoints = parseFloat(assignment.totalPoints); var categoryWeight = parseFloat(assignment.categoryWeight); var assignmentPercentage = (score / totalPoints) * 100; var weightedScore = assignmentPercentage * (categoryWeight / 100); // Ensure assignment percentage is not NaN before adding to total if (!isNaN(assignmentPercentage)) { totalWeightedScore += weightedScore; } else { assignmentPercentage = 0; // Treat invalid as 0 for display } if (isNaN(weightedScore)) { weightedScore = 0; // Treat invalid as 0 for display } // Update category totals if (!categoryTotals[assignment.category]) { categoryTotals[assignment.category] = { earnedPoints: 0, possiblePoints: 0, weight: categoryWeight }; } // This part is tricky for weighted: we track percentage * weight // For display, let's show the percentage contribution of THIS assignment. // The overall calculation sums the weightedScores. categoryTotals[assignment.category].earnedPoints += weightedScore; categoryTotals[assignment.category].possiblePoints += (categoryWeight / 100); // this represents the potential contribution // Add row to table var row = assignmentTableBody.insertRow(); row.innerHTML = ` ${assignment.name} ${assignment.category} ${score.toFixed(2)} / ${totalPoints.toFixed(2)} ${totalPoints.toFixed(2)} ${categoryWeight.toFixed(2)}% ${assignmentPercentage.toFixed(2)}% ${weightedScore.toFixed(2)}% `; }); var finalGrade = (totalPossibleWeight > 0) ? (totalWeightedScore / totalPossibleWeight) * 100 : 0; document.getElementById("primary-result").innerText = isNaN(finalGrade) ? "–.–%" : finalGrade.toFixed(2) + "%"; var categoryBreakdownHtml = "

Category Breakdown:

"; for (var category in categoryTotals) { var earned = categoryTotals[category].earnedPoints; var potential = categoryTotals[category].possiblePoints; // This is sum of weights contribution var categoryPercentage = (potential > 0) ? (earned / potential) * 100 : 0; categoryBreakdownHtml += `
${category} (${categoryTotals[category].weight}% weight): ${isNaN(categoryPercentage) ? '–.–%' : categoryPercentage.toFixed(2) + '%'}
`; } document.getElementById("categoryBreakdown").innerHTML = categoryBreakdownHtml; document.getElementById("overallPercentage").innerText = "Total Weighted Score: " + (isNaN(totalWeightedScore) ? '0.00%' : totalWeightedScore.toFixed(2) + '%') + ""; document.getElementById("weightedScoreSum").innerText = "Total Possible Weight: " + (isNaN(totalPossibleWeight) ? '0.00%' : totalPossibleWeight.toFixed(2) + '%') + ""; updateChart(); } function addAssignment() { var name = document.getElementById("assignmentName").value.trim(); var score = document.getElementById("assignmentScore").value; var totalPoints = document.getElementById("assignmentTotalPoints").value; var category = document.getElementById("gradeCategory").value; var categoryWeight = document.getElementById("categoryWeight").value; var errors = false; if (name === "") { document.getElementById("assignmentNameError").innerText = "Assignment name cannot be empty."; errors = true; } else { document.getElementById("assignmentNameError").innerText = ""; } if (!isValidNumber(score) || parseFloat(score) < 0) { document.getElementById("assignmentScoreError").innerText = "Please enter a valid non-negative number for your score."; errors = true; } else { document.getElementById("assignmentScoreError").innerText = ""; } if (!isValidNumber(totalPoints) || parseFloat(totalPoints) <= 0) { document.getElementById("assignmentTotalPointsError").innerText = "Please enter a valid positive number for total points."; errors = true; } else { document.getElementById("assignmentTotalPointsError").innerText = ""; } if (!isValidNumber(categoryWeight) || parseFloat(categoryWeight) 100) { document.getElementById("categoryWeightError").innerText = "Category weight must be between 0 and 100."; errors = true; } else { document.getElementById("categoryWeightError").innerText = ""; } if (errors) { return; } assignments.push({ name: name, score: score, totalPoints: totalPoints, category: category, categoryWeight: categoryWeight }); updateResults(); // Clear inputs for next entry document.getElementById("assignmentName").value = ""; document.getElementById("assignmentScore").value = ""; document.getElementById("assignmentTotalPoints").value = ""; document.getElementById("categoryWeight").value = ""; // Reset category to default document.getElementById("gradeCategory").value = "Assignments"; } function resetCalculator() { assignments = []; document.getElementById("assignmentName").value = ""; document.getElementById("assignmentScore").value = ""; document.getElementById("assignmentTotalPoints").value = ""; document.getElementById("gradeCategory").value = "Assignments"; document.getElementById("categoryWeight").value = ""; document.getElementById("assignmentNameError").innerText = ""; document.getElementById("assignmentScoreError").innerText = ""; document.getElementById("assignmentTotalPointsError").innerText = ""; document.getElementById("categoryWeightError").innerText = ""; document.getElementById("primary-result").innerText = "–.–%"; document.getElementById("categoryBreakdown").innerHTML = ""; document.getElementById("overallPercentage").innerHTML = ""; document.getElementById("weightedScoreSum").innerHTML = ""; var assignmentTableBody = document.querySelector("#assignmentTable tbody"); assignmentTableBody.innerHTML = ""; if (chartInstance) { chartInstance.destroy(); chartInstance = null; } // Re-initialize chart canvas if needed, or ensure updateChart handles empty data var ctx = document.getElementById("gradeChart").getContext("2d"); if (chartInstance) chartInstance.destroy(); // Destroy previous instance if exists chartInstance = new Chart(ctx, { type: 'bar', // or 'pie' or 'doughnut' data: { labels: [], datasets: [{ label: 'Category Contribution (%)', data: [], backgroundColor: [], borderColor: [], borderWidth: 1 }] }, options: { responsive: true, maintainAspectRatio: false, scales: { y: { beginAtZero: true, ticks: { callback: function(value) { return value + '%'; } } } }, plugins: { legend: { display: false // Hide legend if labels are clear enough }, tooltip: { callbacks: { label: function(context) { var label = context.dataset.label || "; if (label) { label += ': '; } if (context.parsed.y !== null) { label += context.parsed.y.toFixed(2) + '%'; } return label; } } } } } }); } function copyResults() { var primaryResult = document.getElementById("primary-result").innerText; var categoryBreakdown = document.getElementById("categoryBreakdown").innerText.replace(/Category Breakdown:/, ").replace(/weight:/g, ").trim(); var overallPercentage = document.getElementById("overallPercentage").innerText.replace('Total Weighted Score:', ").trim(); var weightedScoreSum = document.getElementById("weightedScoreSum").innerText.replace('Total Possible Weight:', ").trim(); var textToCopy = `Canvas Weighted Grade Calculation Results:\n\n`; textToCopy += `Overall Grade: ${primaryResult}\n`; textToCopy += `Key Values:\n`; textToCopy += `- ${overallPercentage}\n`; textToCopy += `- ${weightedScoreSum}\n`; textToCopy += `Category Breakdown:\n${categoryBreakdown.replace(/Div/g, '\n')}\n\n`; // Simple formatting for breakdown textToCopy += `Formula Used:\nTotal Weighted Score / Total Possible Weight * 100\n`; textToCopy += `Weighted Assignment Score = (Your Score / Total Points Possible) * Category Weight\n`; navigator.clipboard.writeText(textToCopy).then(function() { // Optional: Provide user feedback, e.g., temporarily change button text var copyButton = document.querySelector("button[onclick='copyResults()']"); var originalText = copyButton.innerText; copyButton.innerText = "Copied!"; setTimeout(function() { copyButton.innerText = originalText; }, 1500); }, function(err) { console.error('Failed to copy: ', err); alert("Failed to copy results. Please copy manually."); }); } function updateChart() { var ctx = document.getElementById("gradeChart").getContext("2d"); var categoryData = {}; // { CategoryName: { earnedContribution: 0, weight: 0 } } assignments.forEach(function(assignment) { var score = parseFloat(assignment.score); var totalPoints = parseFloat(assignment.totalPoints); var categoryWeight = parseFloat(assignment.categoryWeight); var assignmentPercentage = (score / totalPoints) * 100; var weightedScore = assignmentPercentage * (categoryWeight / 100); if (!categoryData[assignment.category]) { categoryData[assignment.category] = { earnedContribution: 0, weight: categoryWeight }; } categoryData[assignment.category].earnedContribution += weightedScore; // categoryData[assignment.category].weight is already set }); var labels = []; var data = []; var backgroundColors = []; var borderColors = []; var colorPalette = ['#004a99', '#007bff', '#66b0ff', '#b3d7ff', '#4CAF50', '#8BC34A', '#CDDC39', '#FFEB3B', '#FFC107', '#FF9800']; // Example palette var colorIndex = 0; for (var category in categoryData) { labels.push(category); // Display the calculated contribution of the category to the total score data.push(categoryData[category].earnedContribution); backgroundColors.push(colorPalette[colorIndex % colorPalette.length]); borderColors.push('#ffffff'); colorIndex++; } if (chartInstance) { chartInstance.data.labels = labels; chartInstance.data.datasets[0].data = data; chartInstance.data.datasets[0].backgroundColor = backgroundColors; chartInstance.data.datasets[0].borderColor = borderColors; chartInstance.update(); } else { chartInstance = new Chart(ctx, { type: 'bar', // Changed to bar chart for better comparison of contributions data: { labels: labels, datasets: [{ label: 'Category Contribution (%)', data: data, backgroundColor: backgroundColors, borderColor: borderColors, borderWidth: 1 }] }, options: { responsive: true, maintainAspectRatio: false, scales: { y: { beginAtZero: true, ticks: { callback: function(value) { return value + '%'; } } } }, plugins: { legend: { display: true // Show legend for clarity }, tooltip: { callbacks: { label: function(context) { var label = context.dataset.label || "; if (label) { label += ': '; } if (context.parsed.y !== null) { label += context.parsed.y.toFixed(2) + '%'; } return label; } } } } } }); } } // FAQ toggles document.addEventListener('DOMContentLoaded', function() { var faqQuestions = document.querySelectorAll('.faq-question'); faqQuestions.forEach(function(question) { question.addEventListener('click', function() { var answer = this.nextElementSibling; if (answer.style.display === 'block') { answer.style.display = 'none'; } else { answer.style.display = 'block'; } }); }); // Initialize chart on load if data exists (though initially it won't) // updateChart(); // Call updateChart once to initialize });

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