Class Grade Weight Calculator

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Class Grade Weight Calculator

Determine your final course grade by weighting different assignment categories.

Percentage of the total grade for homework.
Your average score for homework assignments.
Percentage of the total grade for quizzes.
Your average score for quizzes.
Percentage of the total grade for the midterm.
Your score on the midterm exam.
Percentage of the total grade for the final exam.
Your score on the final exam.

Your Weighted Grade Results

Homework Weighted Points:
Quiz Weighted Points:
Midterm Weighted Points:
Final Weighted Points:
Total Category Weight:
Formula Used: Final Grade = (HW Score * HW Weight) + (Quiz Score * Quiz Weight) + (Midterm Score * Midterm Weight) + (Final Score * Final Weight)
Breakdown of your weighted grade contribution by category.
Category Weight (%) Your Score (%) Weighted Contribution (%)
Homework
Quizzes
Midterm Exam
Final Exam
Total
Detailed breakdown of each category's impact on your final grade.

Understanding Your Class Grade Weight Calculator Results

What is a Class Grade Weight Calculator?

A class grade weight calculator is an invaluable online tool designed to help students accurately estimate their final course grade. It works by taking into account the specified weight (percentage) of different assessment categories and your scores within those categories. Instead of manual calculations, which can be prone to errors, this calculator automates the process, providing a clear and precise understanding of how each component contributes to your overall academic performance. Understanding these weights is crucial for students aiming to achieve specific academic goals, as it allows them to identify areas where they need to focus their efforts for maximum impact on their final score.

This tool is particularly useful for students enrolled in courses with complex grading structures. Many instructors assign different percentages to homework, quizzes, midterms, final exams, projects, and participation. A class grade weight calculator simplifies this by summing up the weighted contributions of each graded component. Anyone who wants to proactively manage their academic standing, track progress, or project potential final grades should utilize a class grade weight calculator. It demystifies the grading process, empowering students to take control of their learning journey.

Common misconceptions about grading often revolve around simple averages. Many students assume all assignments contribute equally. However, a well-structured grading system, reflected in a class grade weight calculator, demonstrates that certain components, like final exams or major projects, often carry significantly more weight than smaller assignments. Another misconception is that a slight improvement in a low-weight category will drastically change the final grade, when in reality, focusing on high-weight categories often yields better results. This class grade weight calculator helps to clarify these nuances.

Class Grade Weight Calculator Formula and Mathematical Explanation

The core of the class grade weight calculator lies in a straightforward weighted average formula. It calculates the contribution of each assignment category to the final grade by multiplying your score in that category by its assigned weight, and then summing these weighted scores. Here's a step-by-step breakdown:

  1. Calculate Weighted Score for Each Category: For every category (e.g., Homework, Quizzes, Exams), multiply your average score in that category by its assigned weight. The weight is typically expressed as a percentage, which needs to be converted to a decimal for calculation (e.g., 20% becomes 0.20).
    Formula: Category Weighted Score = (Your Score in Category / 100) * Category Weight (%)
  2. Sum the Weighted Scores: Add up the weighted scores calculated for all categories. This sum represents your final calculated grade.
    Formula: Final Grade = Σ (Category Weighted Score)

Variable Explanations

Understanding the variables used in the class grade weight calculator is key:

  • Your Score in Category: This is the average percentage you have achieved for all assignments within a specific category (e.g., your average homework score).
  • Category Weight (%): This is the percentage of the total course grade that a specific category accounts for, as determined by the instructor. The sum of all category weights should ideally equal 100%.
  • Category Weighted Score: This is the intermediate value calculated by multiplying your score in a category by its weight. It represents how many points that category contributes to your final grade.
  • Final Grade: The ultimate output, representing your overall percentage score for the course based on the weighted average of all your category scores.

Variables Table

Variable Meaning Unit Typical Range
Your Score in Category Average percentage achieved in a specific grading component. Percentage (%) 0% – 100%
Category Weight (%) The proportion of the final grade assigned to a category. Percentage (%) 0% – 100% (Sum of all should be 100%)
Category Weighted Score Contribution of a category to the final grade, calculated as (Score * Weight). Points (out of 100) 0 – (Category Weight %)
Final Grade Overall calculated percentage for the course. Percentage (%) 0% – 100%

Practical Examples (Real-World Use Cases)

Let's illustrate how the class grade weight calculator works with practical scenarios:

Example 1: Solid Performance Across Categories

Consider a student, Alex, in a course with the following structure:

  • Homework: 20% weight, Alex's score: 90%
  • Quizzes: 20% weight, Alex's score: 95%
  • Midterm Exam: 25% weight, Alex's score: 85%
  • Final Exam: 35% weight, Alex's score: 92%

Using the class grade weight calculator:

  • Homework Contribution: (90/100) * 20% = 0.90 * 20 = 18 points
  • Quiz Contribution: (95/100) * 20% = 0.95 * 20 = 19 points
  • Midterm Contribution: (85/100) * 25% = 0.85 * 25 = 21.25 points
  • Final Exam Contribution: (92/100) * 35% = 0.92 * 35 = 32.2 points

Total Weighted Score: 18 + 19 + 21.25 + 32.2 = 90.45%

Interpretation: Alex maintains a strong overall grade of 90.45% by performing well across all weighted components, especially in the high-weight final exam.

Example 2: Compensating for a Lower Score in One Category

Meet Ben, in a similar course, but he struggled with the midterm:

  • Homework: 20% weight, Ben's score: 88%
  • Quizzes: 20% weight, Ben's score: 92%
  • Midterm Exam: 25% weight, Ben's score: 65%
  • Final Exam: 35% weight, Ben's score: 96%

Using the class grade weight calculator:

  • Homework Contribution: (88/100) * 20% = 0.88 * 20 = 17.6 points
  • Quiz Contribution: (92/100) * 20% = 0.92 * 20 = 18.4 points
  • Midterm Contribution: (65/100) * 25% = 0.65 * 25 = 16.25 points
  • Final Exam Contribution: (96/100) * 35% = 0.96 * 35 = 33.6 points

Total Weighted Score: 17.6 + 18.4 + 16.25 + 33.6 = 85.85%

Interpretation: Despite a significantly lower score on the midterm, Ben's strong performance on the final exam (the highest weight category) and good scores elsewhere allowed him to maintain a solid overall grade of 85.85%. This highlights the impact of high-weight components when using a class grade weight calculator.

How to Use This Class Grade Weight Calculator

Using this class grade weight calculator is designed to be simple and intuitive:

  1. Identify Category Weights: First, find out the percentage weight each assessment category holds in your course syllabus. These are usually listed clearly.
  2. Input Your Scores: Enter your current average percentage score for each category into the corresponding fields (e.g., Homework Score, Quiz Score).
  3. Enter Category Weights: Input the percentage weight for each category (e.g., Homework Weight, Quiz Weight). Ensure the total weight adds up to 100% for an accurate calculation. The calculator will check if the total weight exceeds 100%.
  4. Calculate: Click the "Calculate Grade" button.
  5. Review Results: The calculator will display your estimated final grade prominently. It will also show intermediate values like the weighted points for each category and the total weight used.
  6. Interpret the Data: Look at the detailed breakdown in the table and the chart to see how each category contributed. This helps you understand what's driving your grade.
  7. Reset or Copy: Use the "Reset" button to clear the fields and start over, or "Copy Results" to save your calculation.

Decision-Making Guidance: By understanding your current weighted grade and how different components contribute, you can make informed decisions. For instance, if you see a low contribution from a high-weight category, you know where to focus your study efforts. If your projected grade is below your target, you can identify how much you need to score in remaining assignments to reach your goal.

Key Factors That Affect Class Grade Weight Calculator Results

While the class grade weight calculator itself is precise, several external and internal factors influence the inputs and the overall context of your grade:

  1. Instructor's Grading Policy: The most direct factor is the weighting scheme itself. If an instructor changes weights or grading criteria, the calculator's output will change accordingly. Always refer to the official syllabus.
  2. Accuracy of Input Scores: The calculator relies on your reported average scores per category. If these averages are not accurately calculated or updated, the final result will be skewed. Maintaining accurate personal records of your grades is essential.
  3. Definition of "Score": Ensure you understand how your "score" is calculated for each category. Is it a simple average of all assignments, or are there other factors involved (e.g., dropping the lowest score)?
  4. Total Weight Exceeding 100%: If the sum of category weights entered exceeds 100%, the calculation becomes invalid. Most instructors ensure weights sum to exactly 100%, but discrepancies can occur if using a custom calculation or if there's a misunderstanding of the syllabus.
  5. Subjectivity in Certain Categories: While most components are objective, categories like "Participation" or "Projects" might involve subjective grading by the instructor. This inherent subjectivity can lead to variations in the score you receive compared to your own estimation.
  6. Rounding Rules: Different instructors and institutions have different rounding policies for final grades. The calculator typically provides a precise decimal value. Your actual final grade might be rounded up or down based on the instructor's specific rules.
  7. Bonus Points or Extra Credit: Some courses offer extra credit opportunities. These might be added to the final score or integrated into category scores. The calculator assumes scores are standard percentages unless explicitly designed to handle extra credit in a particular way.
  8. Future Performance: The calculator shows a snapshot based on current inputs. It doesn't predict future performance. If you have upcoming assignments, your final grade will depend on how well you perform on those, especially in high-weight categories.

Frequently Asked Questions (FAQ)

Q1: What happens if the category weights don't add up to 100%?

A: If the weights don't sum to 100%, the calculator might still provide a result, but it won't represent a standard grading scheme. Ideally, weights should sum to exactly 100%. Our calculator includes a check to warn if the total weight exceeds 100% to prevent invalid calculations.

Q2: How accurate is this calculator?

A: The calculator is mathematically accurate based on the inputs you provide. Its accuracy depends entirely on the correctness of the category weights and your scores entered. Always cross-reference with your official course syllabus and instructor information.

Q3: Can I use this to calculate my grade if I missed an assignment?

A: Yes, if you missed an assignment, you can represent that by entering a score of 0% for that specific assignment within its category. The calculator will then incorporate that 0 into the category's average score calculation, accurately reflecting its impact.

Q4: What if I have more than four categories?

A: This calculator is pre-set for four common categories: Homework, Quizzes, Midterm, and Final. If your course has more categories, you would need to adapt the formula or use a more advanced tool. You could, however, group similar categories (e.g., all small assignments into 'Assignments') if appropriate.

Q5: How do I calculate my average score for a category?

A: To calculate your average score for a category, sum the scores of all individual assignments within that category and divide by the number of assignments. For example, if you have three homework assignments with scores of 80%, 90%, and 100%, your average homework score is (80 + 90 + 100) / 3 = 90%.

Q6: What score do I need on the final exam to get an A (90%)?

A: To determine this, you can work backward. Input your current scores and weights, and then adjust the "Final Exam Score" input until the "Main Result" reaches your target grade (e.g., 90%). This is a common use case for grade projection.

Q7: Does the calculator handle extra credit?

A: This basic calculator does not automatically account for extra credit unless it has been factored into your category average score *before* you input it. Check with your instructor on how extra credit is applied (e.g., added to total points, percentage boost, etc.) and adjust your entered scores accordingly.

Q8: Can I use this calculator for online courses?

A: Absolutely. Online courses often use weighted grading systems just like traditional courses. This class grade weight calculator is perfectly suited for estimating grades in online learning environments.

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var ctx; var gradeChart; function validateInput(inputId, errorId, minValue, maxValue, isPercentage) { var input = document.getElementById(inputId); var error = document.getElementById(errorId); var value = parseFloat(input.value); error.style.display = 'none'; // Hide error initially if (isNaN(value)) { error.textContent = 'Please enter a valid number.'; error.style.display = 'block'; return false; } if (isPercentage) { if (value 100) { error.textContent = 'Percentage must be between 0 and 100.'; error.style.display = 'block'; return false; } } else { if (value 100) { error.textContent = 'Score cannot be greater than 100.'; error.style.display = 'block'; return false; } } return true; } function calculateGrade() { // Validate all inputs first var valid = true; valid &= validateInput('homeworkWeight', 'homeworkWeightError', 0, 100, true); valid &= validateInput('homeworkScore', 'homeworkScoreError', 0, 100, false); valid &= validateInput('quizWeight', 'quizWeightError', 0, 100, true); valid &= validateInput('quizScore', 'quizScoreError', 0, 100, false); valid &= validateInput('midtermWeight', 'midtermWeightError', 0, 100, true); valid &= validateInput('midtermScore', 'midtermScoreError', 0, 100, false); valid &= validateInput('finalWeight', 'finalWeightError', 0, 100, true); valid &= validateInput('finalScore', 'finalScoreError', 0, 100, false); if (!valid) { document.getElementById('main-result').innerHTML = '–'; clearIntermediateResults(); updateTableAndChart(0, 0, 0, 0, 0, 0, 0, 0, 0, 0); // Clear table/chart return; } var hwWeight = parseFloat(document.getElementById('homeworkWeight').value); var hwScore = parseFloat(document.getElementById('homeworkScore').value); var quizWeight = parseFloat(document.getElementById('quizWeight').value); var quizScore = parseFloat(document.getElementById('quizScore').value); var midtermWeight = parseFloat(document.getElementById('midtermWeight').value); var midtermScore = parseFloat(document.getElementById('midtermScore').value); var finalWeight = parseFloat(document.getElementById('finalWeight').value); var finalScore = parseFloat(document.getElementById('finalScore').value); var totalWeight = hwWeight + quizWeight + midtermWeight + finalWeight; if (totalWeight > 100) { alert("Warning: Total category weight exceeds 100%. The final grade calculation might be inaccurate."); // Allow calculation but warn user } if (totalWeight === 0) { alert("Warning: Total category weight is 0%. Cannot calculate grade."); document.getElementById('main-result').innerHTML = '–'; clearIntermediateResults(); updateTableAndChart(0, 0, 0, 0, 0, 0, 0, 0, 0, 0); // Clear table/chart return; } var hwWeightedPoints = (hwScore / 100) * hwWeight; var quizWeightedPoints = (quizScore / 100) * quizWeight; var midtermWeightedPoints = (midtermScore / 100) * midtermWeight; var finalWeightedPoints = (finalScore / 100) * finalWeight; var finalGrade = hwWeightedPoints + quizWeightedPoints + midtermWeightedPoints + finalWeightedPoints; // Ensure final grade doesn't exceed 100% due to rounding/weight issues if totalWeight is slightly off if (totalWeight <= 100) { finalGrade = Math.min(finalGrade, 100); } document.getElementById('main-result').innerHTML = finalGrade.toFixed(2) + '%'; document.getElementById('homeworkWeightedPoints').getElementsByTagName('span')[0].innerHTML = hwWeightedPoints.toFixed(2); document.getElementById('quizWeightedPoints').getElementsByTagName('span')[0].innerHTML = quizWeightedPoints.toFixed(2); document.getElementById('midtermWeightedPoints').getElementsByTagName('span')[0].innerHTML = midtermWeightedPoints.toFixed(2); document.getElementById('finalWeightedPoints').getElementsByTagName('span')[0].innerHTML = finalWeightedPoints.toFixed(2); document.getElementById('totalWeight').getElementsByTagName('span')[0].innerHTML = totalWeight.toFixed(2); // Update Table updateTableAndChart( hwWeight, hwScore, hwWeightedPoints, quizWeight, quizScore, quizWeightedPoints, midtermWeight, midtermScore, midtermWeightedPoints, finalWeight, finalScore, finalWeightedPoints, totalWeight, finalGrade ); } function updateTableAndChart(hwWeight, hwScore, hwContribution, quizWeight, quizScore, quizContribution, midtermWeight, midtermScore, midtermContribution, finalWeight, finalScore, finalContribution, totalWeight, finalGrade) { document.getElementById('tableHWWeight').innerHTML = hwWeight.toFixed(1); document.getElementById('tableHWScore').innerHTML = hwScore.toFixed(1); document.getElementById('tableHWContribution').innerHTML = hwContribution.toFixed(2); document.getElementById('tableQuizWeight').innerHTML = quizWeight.toFixed(1); document.getElementById('tableQuizScore').innerHTML = quizScore.toFixed(1); document.getElementById('tableQuizContribution').innerHTML = quizContribution.toFixed(2); document.getElementById('tableMidtermWeight').innerHTML = midtermWeight.toFixed(1); document.getElementById('tableMidtermScore').innerHTML = midtermScore.toFixed(1); document.getElementById('tableMidtermContribution').innerHTML = midtermContribution.toFixed(2); document.getElementById('tableFinalWeight').innerHTML = finalWeight.toFixed(1); document.getElementById('tableFinalScore').innerHTML = finalScore.toFixed(1); document.getElementById('tableFinalContribution').innerHTML = finalContribution.toFixed(2); document.getElementById('tableTotalWeight').innerHTML = totalWeight.toFixed(1); document.getElementById('tableTotalContribution').innerHTML = finalGrade.toFixed(2); // Update Chart if (!ctx) { ctx = document.getElementById('gradeBreakdownChart').getContext('2d'); } if (gradeChart) { gradeChart.destroy(); } var categoryLabels = ['Homework', 'Quizzes', 'Midterm', 'Final Exam']; var dataWeights = [hwWeight, quizWeight, midtermWeight, finalWeight]; var dataContributions = [hwContribution, quizContribution, midtermContribution, finalContribution]; // Filter out categories with 0 weight to avoid cluttering chart if not used var filteredLabels = []; var filteredContributions = []; var filteredWeights = []; for(var i = 0; i 0) { filteredLabels.push(categoryLabels[i]); filteredContributions.push(dataContributions[i]); filteredWeights.push(dataWeights[i]); } } gradeChart = new Chart(ctx, { type: 'bar', data: { labels: filteredLabels, datasets: [{ label: 'Weighted Contribution (%)', data: filteredContributions, backgroundColor: [ 'rgba(0, 74, 153, 0.6)', 'rgba(40, 167, 69, 0.6)', 'rgba(255, 193, 7, 0.6)', 'rgba(220, 53, 69, 0.6)' ].slice(0, filteredLabels.length), // Use colors for visible bars borderColor: [ 'rgba(0, 74, 153, 1)', 'rgba(40, 167, 69, 1)', 'rgba(255, 193, 7, 1)', 'rgba(220, 53, 69, 1)' ].slice(0, filteredLabels.length), borderWidth: 1, yAxisID: 'y-axis-contribution' // Assign to contribution y-axis }, { label: 'Category Weight (%)', data: filteredWeights, type: 'line', // Display weight as a line on a secondary axis borderColor: 'rgba(108, 117, 125, 0.8)', backgroundColor: 'rgba(108, 117, 125, 0.2)', borderWidth: 2, fill: false, yAxisID: 'y-axis-weight' // Assign to weight y-axis }] }, options: { responsive: true, maintainAspectRatio: false, scales: { x: { title: { display: true, text: 'Assessment Category' } }, 'y-axis-contribution': { type: 'linear', position: 'left', min: 0, max: 100, // Contribution can go up to the category weight, max 100% of final grade title: { display: true, text: 'Contribution to Final Grade (%)' }, ticks: { callback: function(value) { return value + '%'; } } }, 'y-axis-weight': { type: 'linear', position: 'right', min: 0, max: 100, // Weight is a percentage title: { display: true, text: 'Category Weight (%)' }, grid: { drawOnChartArea: false, // Only display ticks, not grid lines }, ticks: { callback: function(value) { return value + '%'; } } } }, plugins: { tooltip: { callbacks: { label: function(tooltipItem) { var datasetLabel = tooltipItem.dataset.label || "; var value = tooltipItem.raw; if (datasetLabel.includes('Weighted Contribution')) { return datasetLabel + ': ' + value.toFixed(2) + '%'; } else { return datasetLabel + ': ' + value.toFixed(1) + '%'; } } } } } } }); } function resetForm() { document.getElementById('homeworkWeight').value = '20'; document.getElementById('homeworkScore').value = '85'; document.getElementById('quizWeight').value = '20'; document.getElementById('quizScore').value = '90'; document.getElementById('midtermWeight').value = '25'; document.getElementById('midtermScore').value = '80'; document.getElementById('finalWeight').value = '35'; document.getElementById('finalScore').value = '95'; // Clear errors var errorElements = document.getElementsByClassName('error-message'); for (var i = 0; i < errorElements.length; i++) { errorElements[i].style.display = 'none'; } calculateGrade(); // Recalculate with default values } function clearIntermediateResults() { document.getElementById('homeworkWeightedPoints').getElementsByTagName('span')[0].innerHTML = '–'; document.getElementById('quizWeightedPoints').getElementsByTagName('span')[0].innerHTML = '–'; document.getElementById('midtermWeightedPoints').getElementsByTagName('span')[0].innerHTML = '–'; document.getElementById('finalWeightedPoints').getElementsByTagName('span')[0].innerHTML = '–'; document.getElementById('totalWeight').getElementsByTagName('span')[0].innerHTML = '–'; } function copyResults() { var mainResult = document.getElementById('main-result').innerText; var hwWeighted = document.getElementById('homeworkWeightedPoints').getElementsByTagName('span')[0].innerText; var quizWeighted = document.getElementById('quizWeightedPoints').getElementsByTagName('span')[0].innerText; var midtermWeighted = document.getElementById('midtermWeightedPoints').getElementsByTagName('span')[0].innerText; var finalWeighted = document.getElementById('finalWeightedPoints').getElementsByTagName('span')[0].innerText; var totalWeight = document.getElementById('totalWeight').getElementsByTagName('span')[0].innerText; var tableHWWeight = document.getElementById('tableHWWeight').innerText; var tableHWScore = document.getElementById('tableHWScore').innerText; var tableHWContribution = document.getElementById('tableHWContribution').innerText; var tableQuizWeight = document.getElementById('tableQuizWeight').innerText; var tableQuizScore = document.getElementById('tableQuizScore').innerText; var tableQuizContribution = document.getElementById('tableQuizContribution').innerText; var tableMidtermWeight = document.getElementById('tableMidtermWeight').innerText; var tableMidtermScore = document.getElementById('tableMidtermScore').innerText; var tableMidtermContribution = document.getElementById('tableMidtermContribution').innerText; var tableFinalWeight = document.getElementById('tableFinalWeight').innerText; var tableFinalScore = document.getElementById('tableFinalScore').innerText; var tableFinalContribution = document.getElementById('tableFinalContribution').innerText; var tableTotalWeight = document.getElementById('tableTotalWeight').innerText; var tableTotalContribution = document.getElementById('tableTotalContribution').innerText; var resultsText = "— Class Grade Weight Calculation Results —\n\n"; resultsText += "Final Calculated Grade: " + mainResult + "\n\n"; resultsText += "— Weighted Contributions —\n"; resultsText += "Homework: " + hwWeighted + "\n"; resultsText += "Quizzes: " + quizWeighted + "\n"; resultsText += "Midterm Exam: " + midtermWeighted + "\n"; resultsText += "Final Exam: " + finalWeighted + "\n"; resultsText += "Total Category Weight: " + totalWeight + "\n\n"; resultsText += "— Detailed Breakdown —\n"; resultsText += "Category | Weight (%) | Score (%) | Contribution (%)\n"; resultsText += "———|————|———–|——————\n"; resultsText += "Homework | " + tableHWWeight + " | " + tableHWScore + " | " + tableHWContribution + "\n"; resultsText += "Quizzes | " + tableQuizWeight + " | " + tableQuizScore + " | " + tableQuizContribution + "\n"; resultsText += "Midterm | " + tableMidtermWeight + " | " + tableMidtermScore + " | " + tableMidtermContribution + "\n"; resultsText += "Final | " + tableFinalWeight + " | " + tableFinalScore + " | " + tableFinalContribution + "\n"; resultsText += "————————-|————|———–|——————\n"; resultsText += "Total | " + tableTotalWeight + " | | " + tableTotalContribution + "\n"; resultsText += "\n— Key Assumptions —\n"; resultsText += "Inputs used for this calculation are based on the values entered in the calculator.\n"; resultsText += "Ensure all weights and scores are accurate as per your course syllabus.\n"; // Use a temporary textarea to copy text to clipboard var textArea = document.createElement("textarea"); textArea.value = resultsText; textArea.style.position = "fixed"; textArea.style.left = "-9999px"; document.body.appendChild(textArea); textArea.focus(); textArea.select(); try { var successful = document.execCommand('copy'); var msg = successful ? 'Results copied to clipboard!' : 'Copying failed!'; alert(msg); } catch (err) { alert('Copying text to clipboard is not supported in this browser.'); } document.body.removeChild(textArea); } function toggleFaq(element) { var p = element.nextElementSibling; var faqItem = element.parentElement; if (p.style.display === 'block') { p.style.display = 'none'; faqItem.classList.remove('active'); } else { p.style.display = 'block'; faqItem.classList.add('active'); } } // Initial calculation on page load document.addEventListener('DOMContentLoaded', function() { // Load chart.js dynamically if not already present (for environments where it might not be) if (typeof Chart === 'undefined') { var script = document.createElement('script'); script.src = 'https://cdn.jsdelivr.net/npm/chart.js'; script.onload = function() { calculateGrade(); // Calculate after chart library is loaded }; script.onerror = function() { alert('Failed to load charting library. Chart features will be unavailable.'); calculateGrade(); // Calculate even if chart fails to load }; document.head.appendChild(script); } else { calculateGrade(); // Calculate immediately if Chart is already available } // Add event listeners for real-time updates var inputs = document.querySelectorAll('.loan-calc-container input[type="number"]'); for (var i = 0; i < inputs.length; i++) { inputs[i].addEventListener('input', calculateGrade); } });

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