AP Computer Science Principles Exam Calculator
This calculator helps you estimate your potential score on the AP Computer Science Principles (AP CSP) Exam. It takes into account your performance on the multiple-choice section and your Create Performance Task score.
function calculateAPCSPScore() {
var mcqCorrect = parseFloat(document.getElementById("mcqCorrect").value);
var mcqTotal = parseFloat(document.getElementById("mcqTotal").value);
var performanceTaskScore = parseFloat(document.getElementById("performanceTaskScore").value);
var resultDiv = document.getElementById("result");
resultDiv.innerHTML = ""; // Clear previous results
if (isNaN(mcqCorrect) || isNaN(mcqTotal) || isNaN(performanceTaskScore)) {
resultDiv.innerHTML = "Please enter valid numbers for all fields.";
return;
}
if (mcqTotal === 0) {
resultDiv.innerHTML = "Total Multiple Choice Questions cannot be zero.";
return;
}
if (mcqCorrect mcqTotal || mcqTotal 70 || performanceTaskScore 100) {
resultDiv.innerHTML = "Please enter values within the valid ranges.";
return;
}
// AP CSP Exam Scoring – Approximate weighting (subject to change by College Board)
// Multiple Choice: 60% of exam score
// Create Performance Task: 40% of exam score
// Conversion to a 1-5 scale is an estimation based on past data and is not official.
var mcqPercentage = (mcqCorrect / mcqTotal) * 100;
var weightedMCQScore = mcqPercentage * 0.60;
var weightedPerformanceTaskScore = performanceTaskScore * 0.40;
var estimatedRawScore = weightedMCQScore + weightedPerformanceTaskScore;
// Rough estimation of scaled score (1-5) based on past data.
// This is NOT the official AP scoring scale.
var estimatedScaledScore = 0;
if (estimatedRawScore >= 75) {
estimatedScaledScore = 5;
} else if (estimatedRawScore >= 60) {
estimatedScaledScore = 4;
} else if (estimatedRawScore >= 45) {
estimatedScaledScore = 3;
} else if (estimatedRawScore >= 30) {
estimatedScaledScore = 2;
} else {
estimatedScaledScore = 1;
}
resultDiv.innerHTML = "
Estimated Score:
" +
"Estimated Raw Score: " + estimatedRawScore.toFixed(2) + "" +
"Estimated AP Score (1-5): " + estimatedScaledScore + "" +
"
Disclaimer: This is an estimation only and not an official College Board score. Actual scores depend on the official scoring rubric and curve.";
}
.ap-csp-calculator {
font-family: sans-serif;
border: 1px solid #ccc;
padding: 20px;
border-radius: 8px;
max-width: 500px;
margin: 20px auto;
background-color: #f9f9f9;
}
.ap-csp-calculator h2 {
text-align: center;
margin-bottom: 20px;
color: #333;
}
.ap-csp-calculator p {
line-height: 1.6;
color: #555;
}
.calculator-inputs {
margin-top: 20px;
}
.input-group {
margin-bottom: 15px;
display: flex;
flex-direction: column;
}
.input-group label {
margin-bottom: 5px;
font-weight: bold;
color: #444;
}
.input-group input[type="number"] {
padding: 10px;
border: 1px solid #ddd;
border-radius: 4px;
font-size: 1em;
width: calc(100% – 22px); /* Adjust for padding and border */
}
.calculator-inputs button {
background-color: #4CAF50;
color: white;
padding: 12px 20px;
border: none;
border-radius: 4px;
cursor: pointer;
font-size: 1.1em;
width: 100%;
margin-top: 10px;
transition: background-color 0.3s ease;
}
.calculator-inputs button:hover {
background-color: #45a049;
}
.calculator-result {
margin-top: 25px;
padding: 15px;
border: 1px solid #e0e0e0;
border-radius: 4px;
background-color: #fff;
text-align: center;
}
.calculator-result h3 {
margin-top: 0;
color: #333;
}
.calculator-result p {
margin-bottom: 8px;
}
.calculator-result em {
font-size: 0.9em;
color: #777;
}