Cumulative Gpa Calculator from Weighted and Non Weighted Gpa

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Cumulative GPA Calculator: Weighted & Non-Weighted

Calculate your overall Grade Point Average (GPA) accurately, considering both weighted and non-weighted courses. Essential for students tracking academic progress.

GPA Calculator

Enter the total count of courses you've taken or will take.

Your Academic Summary

Total Grade Points

Total Credits Attempted

Weighted vs. Non-Weighted Ratio

Formula Used:

Cumulative GPA = (Sum of [Credits * Grade Point Value] for all courses) / (Total Credits Attempted)

Grade Point Value is determined by the letter grade (e.g., A=4.0, B=3.0) and adjusted for weighting (e.g., AP/Honors courses might multiply the standard grade point).

GPA Distribution by Course Type

Non-Weighted Course Points
Weighted Course Points
Total Points Contribution
Detailed Course Grade Points
Course Credits Grade Weighting Grade Points Weighted Points

What is Cumulative GPA?

Your cumulative Grade Point Average (GPA) is a single numerical representation of your academic performance across all courses taken throughout your academic career, typically from high school through college. It's calculated by averaging the grade points earned in each course, weighted by the number of credits that course is worth. A higher cumulative GPA generally indicates stronger academic achievement. Understanding your cumulative GPA is crucial for college applications, scholarship eligibility, academic honors, and sometimes even job prospects.

Who Should Use It:

  • High school students applying to college.
  • Undergraduate students aiming for internships, honors programs, or graduate school.
  • Students seeking scholarships or financial aid that have GPA requirements.
  • Anyone wanting to accurately track their academic progress over time.

Common Misconceptions:

  • GPA is the only factor: While important, colleges also consider extracurriculars, essays, and recommendations.
  • All GPAs are calculated the same way: High schools and colleges may use different scales (e.g., 4.0, 4.3, 5.0) and weighting systems, making direct comparisons difficult without context. This calculator focuses on the standard 4.0 scale for grade points but allows for weighting adjustments.
  • A single bad semester ruins everything: While a low-performing semester can impact your cumulative GPA, consistent improvement can still lead to a strong overall record.

Cumulative GPA Calculator Formula and Mathematical Explanation

The cumulative GPA calculation is a weighted average. Each course contributes to the overall GPA based on the grade received and the course's credit value, with an added layer for weighted courses.

Step-by-Step Derivation:

  1. Assign Grade Points: Each letter grade is assigned a numerical value (e.g., A=4.0, B=3.0, C=2.0, D=1.0, F=0.0).
  2. Calculate Weighted Grade Value: For courses with weighting (like AP, Honors, IB), multiply the base Grade Point Value by the weighting factor (e.g., a B (3.0) in an AP class with a 1.2 weight becomes 3.0 * 1.2 = 3.6). For non-weighted courses, the weight factor is 1.0.
  3. Calculate Grade Points per Course: Multiply the Weighted Grade Value by the number of credits for that course. (e.g., A 4-credit course with a weighted grade value of 3.6 results in 4 * 3.6 = 14.4 Grade Points).
  4. Sum Total Grade Points: Add up the Grade Points calculated for all courses.
  5. Sum Total Credits: Add up the credit values for all courses.
  6. Calculate Cumulative GPA: Divide the Total Grade Points (from step 4) by the Total Credits Attempted (from step 5).

Formula:

Cumulative GPA = Σ (Course Credits * Weighted Grade Value) / Σ Course Credits

Where Weighted Grade Value = Base Grade Point * Weighting Factor

Variable Explanations:

GPA Calculation Variables
Variable Meaning Unit Typical Range
Course Credits The number of credit hours assigned to a specific course. Credits 0.5 – 6
Letter Grade The academic grade received in a course (e.g., A, B+, C-). Letter Grade A, B, C, D, F (with +/- modifiers)
Base Grade Point The numerical value assigned to a letter grade (e.g., A=4.0). Points 0.0 – 4.0
Weighting Factor A multiplier applied to standard grade points for advanced/honors courses. Multiplier 1.0 (non-weighted), 1.1-1.5 (weighted)
Weighted Grade Value The grade point value after applying the weighting factor. Points 0.0 – (4.0 * Max Weighting Factor)
Grade Points per Course The total points earned for a single course (Credits * Weighted Grade Value). Points Varies
Total Grade Points The sum of Grade Points for all courses. Points Varies
Total Credits Attempted The sum of credits for all courses included in the calculation. Credits Varies
Cumulative GPA The final average academic score. GPA Scale (e.g., 4.0) 0.0 – 4.0 (or applicable scale)

Practical Examples (Real-World Use Cases)

Let's illustrate how the cumulative GPA calculator works with practical scenarios.

Example 1: High School Student – Standard Load

Sarah is a high school junior tracking her progress. She has taken the following courses:

  • English 11 (4 credits, A, Non-weighted)
  • Algebra II (4 credits, B+, Non-weighted)
  • Biology (4 credits, A-, Non-weighted)
  • World History (3 credits, B, Non-weighted)
  • Spanish III (3 credits, C+, Non-weighted)

Inputs for Calculator:

  • Course 1: 4 credits, A (4.0), Weight: 1.0
  • Course 2: 4 credits, B+ (3.3), Weight: 1.0
  • Course 3: 4 credits, A- (3.7), Weight: 1.0
  • Course 4: 3 credits, B (3.0), Weight: 1.0
  • Course 5: 3 credits, C+ (2.3), Weight: 1.0

Calculation Breakdown:

  • English 11: 4 credits * 4.0 = 16.0 points
  • Algebra II: 4 credits * 3.3 = 13.2 points
  • Biology: 4 credits * 3.7 = 14.8 points
  • World History: 3 credits * 3.0 = 9.0 points
  • Spanish III: 3 credits * 2.3 = 6.9 points

Total Grade Points: 16.0 + 13.2 + 14.8 + 9.0 + 6.9 = 60.0 points

Total Credits Attempted: 4 + 4 + 4 + 3 + 3 = 18 credits

Result: Cumulative GPA = 60.0 / 18 = 3.33

Interpretation: Sarah has a solid B+ average, which is a good foundation for college applications.

Example 2: College Student – Including Weighted Courses

David is a college sophomore who has taken a mix of standard and honors courses:

  • Intro to Psychology (3 credits, A, Non-weighted)
  • Calculus I (4 credits, B, Non-weighted)
  • Honors Chemistry (4 credits, B+, Weight=1.2)
  • Academic Writing (3 credits, A-, Non-weighted)
  • Microeconomics (3 credits, C, Non-weighted)
  • Honors Physics (4 credits, A-, Weight=1.3)

Inputs for Calculator:

  • Course 1: 3 credits, A (4.0), Weight: 1.0
  • Course 2: 4 credits, B (3.0), Weight: 1.0
  • Course 3: 4 credits, B+ (3.3), Weight: 1.2
  • Course 4: 3 credits, A- (3.7), Weight: 1.0
  • Course 5: 3 credits, C (2.0), Weight: 1.0
  • Course 6: 4 credits, A- (3.7), Weight: 1.3

Calculation Breakdown:

  • Psychology: 3 credits * 4.0 = 12.0 points
  • Calculus I: 4 credits * 3.0 = 12.0 points
  • Honors Chemistry: 4 credits * (3.3 * 1.2) = 4 * 3.96 = 15.84 points
  • Academic Writing: 3 credits * 3.7 = 11.1 points
  • Microeconomics: 3 credits * 2.0 = 6.0 points
  • Honors Physics: 4 credits * (3.7 * 1.3) = 4 * 4.81 = 19.24 points

Total Grade Points: 12.0 + 12.0 + 15.84 + 11.1 + 6.0 + 19.24 = 76.18 points

Total Credits Attempted: 3 + 4 + 4 + 3 + 3 + 4 = 21 credits

Result: Cumulative GPA = 76.18 / 21 = 3.63

Interpretation: David maintains a strong GPA, boosted by his performance in weighted honors courses. This GPA is competitive for many graduate programs and scholarships.

How to Use This Cumulative GPA Calculator

Our cumulative GPA calculator is designed for ease of use. Follow these simple steps to get an accurate calculation:

  1. Enter Total Courses: Start by inputting the total number of courses you want to include in the calculation.
  2. Add Course Details: Click "Add Course" for each course. For every course, you'll need to provide:
    • Credits: The number of credit hours for the course.
    • Grade: Select the letter grade you received (A, B+, C-, etc.).
    • Weighting: If the course is weighted (like AP, Honors, IB), enter the weighting factor (e.g., 1.2 for a 20% boost). If it's a standard course, use 1.0.
  3. Calculate: Once all course details are entered, click the "Calculate GPA" button.
  4. Review Results: The calculator will display your:
    • Primary Result: Your calculated Cumulative GPA.
    • Intermediate Values: Total Grade Points and Total Credits Attempted.
    • Weighted vs. Non-Weighted Ratio: An indication of how much your weighted courses are influencing your GPA.
    • Detailed Table: A breakdown of points earned for each individual course.
    • Chart: A visual representation of your GPA contributions by course type.
  5. Copy or Reset: Use the "Copy Results" button to save your calculated data or "Reset" to start fresh.

Decision-Making Guidance: Use the results to identify areas for improvement. If your GPA is lower than desired, focus on excelling in upcoming courses, especially those with higher credit values. Consider challenging yourself with weighted courses if your institution offers them and you feel prepared, as they can significantly boost your GPA.

Key Factors That Affect Cumulative GPA Results

Several factors influence your cumulative GPA. Understanding these can help you strategize your academic performance:

  1. Credit Hours: Courses with more credit hours have a greater impact on your GPA. A poor grade in a 5-credit course will lower your GPA more significantly than a poor grade in a 3-credit course.
  2. Grade Received: The letter grade is paramount. An 'A' contributes significantly more points than a 'C'. Small grade differences (e.g., A- vs. A) can add up over time.
  3. Weighting System: The presence and value of weighting factors for AP, IB, or Honors courses can significantly inflate a GPA compared to a non-weighted system. This is why understanding the specific scale used by your institution is vital. Our calculator allows you to model this effect.
  4. Consistency: A consistent academic record shows steady performance. While one semester of lower grades can affect your GPA, a pattern of improvement can demonstrate growth and resilience.
  5. Course Load: Taking on a heavier course load (more credits per semester) means each semester's performance has a larger effect on the cumulative GPA. It also means more opportunities to earn points, but also more risk if grades are low.
  6. Grade Recalculation Policies: Some institutions may have policies about grade recalculations or academic forgiveness, which could potentially alter historical GPA data. This calculator assumes standard recalculation based on entered grades.
  7. Transfer Credits: If you're transferring credits from another institution, understanding how those credits and grades are applied to your new institution's GPA scale is crucial. This calculator focuses on grades entered directly.
  8. Pass/Fail Courses: Courses taken on a Pass/Fail basis typically do not factor into the GPA calculation, as they don't assign grade points. Ensure you exclude these from your calculation unless they have specific institutional rules attached.

Frequently Asked Questions (FAQ)

Q1: What's the difference between weighted and non-weighted GPA?

A: Non-weighted GPA uses a standard scale (e.g., A=4.0). Weighted GPA assigns higher point values to advanced courses (AP, Honors), reflecting their increased difficulty and workload. Our calculator handles both.

Q2: How do I find the weighting factor for my courses?

A: Check your school's course catalog, academic handbook, or ask your counselor or registrar. Common weights are 1.1 to 1.5.

Q3: My school uses a 4.3 scale. How does that affect the calculation?

A: This calculator assumes a standard 4.0 scale for base grade points. For a 4.3 scale, you would need to adjust the base grade point values accordingly (e.g., A=4.3, A-=4.0, B+=3.7) and input those adjusted values.

Q4: Do Pass/Fail courses affect my GPA?

A: Typically, no. Pass/Fail grades usually don't carry grade points and are excluded from GPA calculations. Ensure you do not include them in this calculator unless your school has a specific policy otherwise.

Q5: How often should I update my GPA calculation?

A: It's good practice to update your GPA calculation after each grading period (semester or quarter) to accurately reflect your academic progress and stay informed.

Q6: Can I use this calculator for my entire academic career (high school + college)?

A: Yes, provided you can accurately input all relevant courses, credits, grades, and weighting factors from all institutions. Be mindful of differing GPA scales between institutions.

Q7: What if I got a grade below C? Does it still count?

A: Yes. Grades of D or F contribute 0 or 1 grade point, respectively, and will lower your cumulative GPA. They are essential components of the total points and credits used in the calculation.

Q8: How does a low GPA impact scholarship applications?

A: Many scholarships have minimum GPA requirements. A lower GPA might limit your eligibility for certain scholarships, while a strong GPA can open doors to competitive awards. This calculator helps you assess your standing.

var gradePointMap = { 'A+': 4.0, 'A': 4.0, 'A-': 3.7, 'B+': 3.3, 'B': 3.0, 'B-': 2.7, 'C+': 2.3, 'C': 2.0, 'C-': 1.7, 'D+': 1.3, 'D': 1.0, 'D-': 0.7, 'F': 0.0 }; var chartInstance = null; // To hold the chart instance function addCourse() { var numCoursesInput = document.getElementById('numCourses'); var numCourses = parseInt(numCoursesInput.value); if (isNaN(numCourses) || numCourses = numCourses) { // If user added courses manually and then changed numCourses to be less than current, we need to trim while (container.children.length > numCourses) { container.removeChild(container.lastChild); } return; // No need to add more if we are at or above the target } var courseIndex = currentCourseCount + 1; // Course numbering starts from 1 var courseDiv = document.createElement('div'); courseDiv.className = 'input-group'; courseDiv.innerHTML = '\

Course ' + courseIndex + '

\
\ \ \
\
\
\ \ \ A+\ A\ A-\ B+\ B\ B-\ C+\ C\ C-\ D+\ D\ D-\ F\ P (Pass)\ NP (Fail)\ \
\
\
\ \ \
Use 1.0 for non-weighted courses. Use values like 1.2 for AP/Honors.
\
\
\ '; container.appendChild(courseDiv); // Update the total number of courses displayed if needed numCoursesInput.value = container.children.length; updateCalculationOnChange(); // Recalculate after adding a course } function removeCourse(buttonElement) { var courseDiv = buttonElement.closest('.input-group'); courseDiv.parentNode.removeChild(courseDiv); // Adjust the total number of courses input and re-trigger calculation document.getElementById('numCourses').value = document.getElementById('courseInputsContainer').children.length; updateCalculationOnChange(); } function resetCalculator() { document.getElementById('numCourses').value = 5; var container = document.getElementById('courseInputsContainer'); container.innerHTML = "; // Clear existing course inputs for (var i = 0; i < 5; i++) { addCourse(); // Add default 5 courses } calculateGPA(); // Perform calculation with defaults } function displayError(elementId, message) { var errorElement = document.getElementById(elementId); errorElement.textContent = message; } function clearError(elementId) { var errorElement = document.getElementById(elementId); errorElement.textContent = ''; } function validateInput(id, errorId, min, max, allowDecimal = true, allowNegative = false, allowPastZero = false) { var input = document.getElementById(id); var value = input.value.trim(); var errorElement = document.getElementById(errorId); var numValue = parseFloat(value); if (value === '') { displayError(errorId, 'This field cannot be empty.'); return false; } if (isNaN(numValue)) { displayError(errorId, 'Please enter a valid number.'); return false; } if (!allowNegative && numValue < 0) { displayError(errorId, 'Value cannot be negative.'); return false; } if (allowPastZero && numValue <= 0) { displayError(errorId, 'Value must be greater than zero.'); return false; } if (!allowDecimal && !Number.isInteger(numValue)) { displayError(errorId, 'Please enter a whole number.'); return false; } if (min !== null && numValue max) { displayError(errorId, 'Value cannot exceed ' + max + '.'); return false; } clearError(errorId); return true; } function validateAllInputs() { var isValid = true; var numCoursesInput = document.getElementById('numCourses'); var numCourses = parseInt(numCoursesInput.value); if (!validateInput('numCourses', 'numCoursesError', 1, null, false, false, true)) { isValid = false; } var courseContainer = document.getElementById('courseInputsContainer'); var courseDivs = courseContainer.children; for (var i = 0; i < courseDivs.length; i++) { var courseIndex = i + 1; if (!validateInput('credits' + courseIndex, 'creditsError' + courseIndex, 0.5, null, true, false, false)) { isValid = false; } // Grade validation is handled by select, but we can check if 'P' or 'NP' were selected for weight var gradeSelect = document.getElementById('grade' + courseIndex); if (gradeSelect.value === 'P' || gradeSelect.value === 'NP') { // P/NP grades should not have weighting, reset if incorrectly set document.getElementById('weight' + courseIndex).value = 1.0; document.getElementById('weight' + courseIndex).disabled = true; // Disable weight for P/NP clearError('weightError' + courseIndex); } else { document.getElementById('weight' + courseIndex).disabled = false; // Enable weight if (!validateInput('weight' + courseIndex, 'weightError' + courseIndex, 1.0, null, true, false, false)) { isValid = false; } } } return isValid; } function calculateGPA() { if (!validateAllInputs()) { document.getElementById('finalGPA').textContent = 'Error'; document.getElementById('totalGradePoints').textContent = '–'; document.getElementById('totalCredits').textContent = '–'; document.getElementById('weightRatio').textContent = '–'; updateTable([]); // Clear table updateChart([], [], []); // Clear chart return; } var totalGradePoints = 0; var totalCredits = 0; var weightedPointsTotal = 0; var nonWeightedPointsTotal = 0; var courseData = []; var courseContainer = document.getElementById('courseInputsContainer'); var courseDivs = courseContainer.children; for (var i = 0; i 0 ? (totalGradePoints / totalCredits) : 0; var weightRatio = totalCredits > 0 ? (weightedPointsTotal / totalCredits) / finalGPA : 0; // ratio of avg weighted points to avg GPA document.getElementById('finalGPA').textContent = finalGPA.toFixed(2); document.getElementById('totalGradePoints').textContent = totalGradePoints.toFixed(2); document.getElementById('totalCredits').textContent = totalCredits.toFixed(1); // Calculate and display weight ratio meaningfully var weightedContribution = weightedPointsTotal; var nonWeightedContribution = totalGradePoints – weightedPointsTotal; // Assuming total points includes all points, weighted or not var ratioDisplay = 'N/A'; if(totalCredits > 0 && totalGradePoints > 0) { var percentageWeighted = (weightedPointsTotal / totalGradePoints) * 100; ratioDisplay = percentageWeighted.toFixed(1) + '%'; } else if (weightedPointsTotal > 0) { ratioDisplay = '100%'; // All points came from weighted courses if total GPA points is 0 somehow } document.getElementById('weightRatio').textContent = ratioDisplay; updateTable(courseData); updateChart(courseData); } function updateTable(courseData) { var tableBody = document.getElementById('courseTableBody'); tableBody.innerHTML = "; // Clear existing rows if (courseData.length === 0) return; for (var i = 0; i < courseData.length; i++) { var data = courseData[i]; var row = tableBody.insertRow(); var cellCourse = row.insertCell(); cellCourse.textContent = 'Course ' + data.index; var cellCredits = row.insertCell(); cellCredits.textContent = data.credits.toFixed(1); var cellGrade = row.insertCell(); cellGrade.textContent = data.grade; var cellWeight = row.insertCell(); // Only show weight if it's not a P/NP course and differs from 1.0 if (data.grade !== 'P' && data.grade !== 'NP') { cellWeight.textContent = data.weight === 1.0 ? '-' : data.weight.toFixed(1); } else { cellWeight.textContent = '-'; } var cellGradePoints = row.insertCell(); // Display base grade points contribution if not P/NP cellGradePoints.textContent = (data.grade !== 'P' && data.grade !== 'NP') ? (data.credits * data.baseGradePoint).toFixed(2) : '-'; var cellWeightedPoints = row.insertCell(); // Display weighted points contribution if not P/NP cellWeightedPoints.textContent = (data.grade !== 'P' && data.grade !== 'NP') ? data.weightedPointsForCourse.toFixed(2) : '-'; } } function updateChart(courseData) { var ctx = document.getElementById('gpaChart').getContext('2d'); // Destroy previous chart instance if it exists if (chartInstance) { chartInstance.destroy(); } var labels = []; var nonWeightedPointsData = []; var weightedPointsData = []; var totalPointsData = []; // Represents the total contribution of this course to the overall GPA calculation for (var i = 0; i < courseData.length; i++) { var data = courseData[i]; labels.push('Course ' + data.index); if (data.grade !== 'P' && data.grade !== 'NP') { nonWeightedPointsData.push(data.credits * data.baseGradePoint); // Points from base grade * credits weightedPointsData.push(data.credits * (data.baseGradePoint * data.weight)); // Points from weighted grade * credits totalPointsData.push(data.credits * (data.baseGradePoint * data.weight)); // This is the value that contributes to totalGradePoints } else { nonWeightedPointsData.push(0); weightedPointsData.push(0); totalPointsData.push(0); // P/NP courses don't contribute points } } chartInstance = new Chart(ctx, { type: 'bar', data: { labels: labels, datasets: [{ label: 'Non-Weighted Course Points', data: nonWeightedPointsData, backgroundColor: 'rgba(102, 194, 165, 0.6)', // Light green borderColor: 'rgba(102, 194, 165, 1)', borderWidth: 1, stack: 'A' // Stack group A }, { label: 'Weighted Course Points', data: weightedPointsData, backgroundColor: 'rgba(252, 141, 98, 0.6)', // Light orange borderColor: 'rgba(252, 141, 98, 1)', borderWidth: 1, stack: 'A' // Stack group A }, { label: 'Total Points Contribution', data: totalPointsData, // This dataset will show the actual points used for GPA calculation per course backgroundColor: 'rgba(141, 160, 203, 0.7)', // Light purple/blue borderColor: 'rgba(141, 160, 203, 1)', borderWidth: 1, type: 'line', // Display as line on top fill: false, pointRadius: 5, pointBackgroundColor: 'rgba(141, 160, 203, 1)', yAxisID: 'y-axis-line' // Use a separate Y-axis if needed, or align with bars }] }, options: { responsive: true, maintainAspectRatio: false, scales: { x: { title: { display: true, text: 'Courses' } }, y: { title: { display: true, text: 'Grade Points' }, beginAtZero: true }, 'y-axis-line': { // Define the line y-axis if needed, otherwise it shares the main 'y' type: 'linear', position: 'right', // Position it on the right grid: { drawOnChartArea: false, // Don't draw grid lines for the line axis }, title: { display: true, text: 'Total Contribution Points' }, beginAtZero: true, // Ensure the line axis scale is compatible or the same as the bar scale suggestedMin: 0, suggestedMax: Math.max(…totalPointsData) * 1.2 || 10 // Adjust max dynamically } }, plugins: { title: { display: true, text: 'GPA Points Breakdown per Course' }, tooltip: { mode: 'index', intersect: false, 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; } } } }, interaction: { mode: 'nearest', axis: 'x', intersect: false } } }); } function copyResults() { var finalGPA = document.getElementById('finalGPA').textContent; var totalGradePoints = document.getElementById('totalGradePoints').textContent; var totalCredits = document.getElementById('totalCredits').textContent; var weightRatio = document.getElementById('weightRatio').textContent; var assumptions = []; var courseContainer = document.getElementById('courseInputsContainer'); var courseDivs = courseContainer.children; for (var i = 0; i < courseDivs.length; i++) { var courseIndex = i + 1; var credits = document.getElementById('credits' + courseIndex).value; var grade = document.getElementById('grade' + courseIndex).value; var weight = document.getElementById('weight' + courseIndex).value; if (grade !== 'P' && grade !== 'NP') { assumptions.push('Course ' + courseIndex + ': ' + credits + ' credits, Grade: ' + grade + ', Weight: ' + weight); } else { assumptions.push('Course ' + courseIndex + ': ' + credits + ' credits, Grade: ' + grade + ' (does not affect GPA)'); } } var textToCopy = "— Cumulative GPA Calculation Results —\n\n"; textToCopy += "Final Cumulative GPA: " + finalGPA + "\n"; textToCopy += "Total Grade Points: " + totalGradePoints + "\n"; textToCopy += "Total Credits Attempted: " + totalCredits + "\n"; textToCopy += "Weighted vs. Non-Weighted Contribution: " + weightRatio + "\n\n"; textToCopy += "— Course Details & Assumptions —\n"; textToCopy += assumptions.join('\n'); // Use navigator.clipboard for modern browsers if (navigator.clipboard && navigator.clipboard.writeText) { navigator.clipboard.writeText(textToCopy).then(function() { alert('Results copied to clipboard!'); }).catch(function(err) { console.error('Failed to copy: ', err); fallbackCopyTextToClipboard(textToCopy); // Fallback for older browsers }); } else { fallbackCopyTextToClipboard(textToCopy); // Fallback for older browsers } } function fallbackCopyTextToClipboard(text) { var textArea = document.createElement("textarea"); textArea.value = text; textArea.style.position = "fixed"; // Avoid scrolling to bottom textArea.style.opacity = "0"; // Make it invisible document.body.appendChild(textArea); textArea.focus(); textArea.select(); try { var successful = document.execCommand('copy'); var msg = successful ? 'Results copied to clipboard!' : 'Failed to copy results.'; alert(msg); } catch (err) { console.error('Fallback: Oops, unable to copy', err); alert('Failed to copy results. Please copy manually.'); } document.body.removeChild(textArea); } // Function to update calculation whenever any input changes function updateCalculationOnChange(element) { // Check if the element is a grade selector and if it's P or NP if (element && (element.value === 'P' || element.value === 'NP')) { var parentDiv = element.closest('.input-group').parentNode; // Find the parent div containing inputs for this course var weightInput = parentDiv.querySelector('input[id^="weight"]'); if (weightInput) { weightInput.value = 1.0; // Reset weight weightInput.disabled = true; // Disable weight input } } else if (element && element.id && element.id.startsWith('grade')) { // If it's another grade, ensure weight is enabled var parentDiv = element.closest('.input-group').parentNode; var weightInput = parentDiv.querySelector('input[id^="weight"]'); if (weightInput) { weightInput.disabled = false; } } calculateGPA(); } // Initial setup: Add default courses and perform initial calculation window.onload = function() { resetCalculator(); // This will add default courses and calculate // Ensure chart canvas is correctly sized var chartContainer = document.getElementById('chartContainer'); var canvas = document.getElementById('gpaChart'); // Set canvas dimensions based on container – basic responsiveness canvas.width = chartContainer.offsetWidth * 0.95; // Use a significant portion of container width canvas.height = 400; // Fixed height, adjust as needed updateChart([]); // Initialize chart with empty data }; // Re-render chart on window resize for responsiveness window.addEventListener('resize', function() { if (chartInstance) { var chartContainer = document.getElementById('chartContainer'); var canvas = document.getElementById('gpaChart'); canvas.width = chartContainer.offsetWidth * 0.95; canvas.height = 400; // Maintain aspect ratio or fixed height chartInstance.resize(); // Chart.js has a resize method } });

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