Test Grade Formula:
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Definition: This calculator determines the percentage score on a test based on the number of correct answers and the total number of questions.
Purpose: It helps students and educators quickly calculate test scores and percentages for academic evaluation.
The calculator uses the formula:
Where:
Explanation: The number of correct answers is divided by the total questions, then multiplied by 100 to convert to a percentage.
Details: Accurate grade calculation helps students understand their performance, track progress, and identify areas needing improvement.
Tips: Enter the number of correct answers and total questions. Both must be ≥ 0, and correct cannot exceed total.
Q1: What if I get all answers correct?
A: If correct equals total, you'll get 100%.
Q2: How are decimal percentages handled?
A: Results are shown with two decimal places for precision.
Q3: Can I use this for weighted tests?
A: No, this is for simple percentage calculations. Weighted tests require more complex calculations.
Q4: What if I enter more correct answers than total questions?
A: The calculator won't display a result as this is mathematically impossible.
Q5: How can I convert this to a letter grade?
A: Check your institution's grading scale. Typically 90-100% = A, 80-89% = B, etc.