12 calculators
Education calculators
Grade math for students and parents — final grades, weighted averages, and the score you need on the final.
Education
Final Grade Calculator
Calculate your final course grade from your current grade and your final exam score.
Education
Weighted Grade Calculator
Combine assignments, quizzes, and exams by weight to get a precise weighted course average.
Education
Final Exam Calculator
Find out exactly what you need to score on your final exam to hit your target course grade.
Education
College GPA Calculator
Compute your semester GPA on the standard 4.0 scale — add courses with credit hours and letter grades.
Education
Pythagorean Theorem Calculator
Solve a right triangle for any missing side using a² + b² = c² — enter two sides and we compute the third.
Education
Chronological Age Calculator
Find the exact age between any two dates in years, months, days — plus total months, weeks, and days.
Education
P Value Calculator
Convert a z-score to a p-value for a one-tailed or two-tailed test, with the area on each side of the curve.
Education
Variance Calculator
Compute sample and population variance, mean, count, and standard deviation from a list of numbers.
Education
Integral Calculator
Compute definite integrals of polynomials with the power rule, or numerically with Simpson's rule for safe expressions.
Education
Percentage Increase Calculator
Compute the percentage change between two values — increase or decrease — with absolute change and multiplier.
Education
Derivative Calculator
Differentiate polynomials term by term with the power rule — clear breakdown of each term's derivative.
Education
Standard Deviation Calculator
Compute population and sample standard deviation, variance, mean, and count from a list of numbers.