Math & Education Calculators
From basic arithmetic to advanced algebra and statistics, our 25 math and education calculators cover the full range of problems students and professionals encounter. Solve percentage calculations for everyday shopping and data analysis. Simplify fractions, find square roots, or work through exponent problems. Tackle geometry with triangle, circle, and Pythagorean theorem tools. Handle statistics with standard deviation, probability, and average calculators. Students can track their GPA, compute grades, and explore number theory with LCM, GCF, and binary conversion tools. We also include practical utilities like a random number generator, password generator, and dice roller. Every calculator shows its work, runs instantly, and requires no account.
Arithmetic & Everyday Math
Percentages, fractions, averages, and scientific calculation.
Percentage Calculator
Find percentages, percentage change, and part-of-whole calculations.
Fraction Calculator
Add, subtract, multiply, and divide fractions with simplification.
Scientific Calculator
Full-featured calculator with trig, log, and memory functions.
Average Calculator
Calculate mean, median, mode, and range of a data set.
Ratio Calculator
Solve, simplify, and scale ratios and proportions.
Square Root Calculator
Find square roots and nth roots of any number.
Exponent Calculator
Compute powers, negative exponents, and fractional exponents.
Log Calculator
Calculate logarithms in any base including natural log and log base 10.
Algebra & Geometry
Equations, triangles, circles, slope, and matrix operations.
Quadratic Formula Calculator
Solve ax² + bx + c = 0 with real or complex roots.
Slope Calculator
Find slope, distance, and midpoint between two points.
Triangle Calculator
Solve triangles given sides and angles — area, perimeter, and more.
Circle Calculator
Calculate radius, diameter, circumference, and area of a circle.
Pythagorean Theorem Calculator
Find the missing side of a right triangle using a² + b² = c².
Matrix Calculator
Add, multiply, transpose, and find determinants of matrices.
Statistics & Probability
Standard deviation, probability, permutations, and combinations.
Standard Deviation Calculator
Calculate population and sample standard deviation and variance.
Probability Calculator
Compute single and combined event probabilities.
Permutation & Combination Calculator
Calculate P(n,r) and C(n,r) with step-by-step factorial work.
LCM & GCF Calculator
Find least common multiple and greatest common factor.
Education & Utilities
GPA, grades, number systems, and random generators.
GPA Calculator
Calculate semester and cumulative GPA from your course grades.
Grade Calculator
Find your weighted grade and what you need on the final.
Binary Calculator
Convert and perform arithmetic in binary (base 2).
Hex Calculator
Convert and calculate in hexadecimal (base 16).
Random Number Generator
Generate random numbers within any range you specify.
Password Generator
Create strong, random passwords with custom length and characters.
Dice Roller
Roll virtual dice for games, probability, and simulations.
Frequently Asked Questions
What math calculators are most useful for students?
For everyday schoolwork, the percentage, fraction, and average calculators handle the basics. For algebra, use the quadratic formula and exponent calculators. Geometry students benefit from the triangle, circle, and Pythagorean theorem tools. Statistics courses call for standard deviation and probability calculators. The GPA calculator helps track academic standing.
How do I calculate percentages?
Our percentage calculator handles three common scenarios: finding what percentage one number is of another, calculating a percentage of a number, and finding percentage increase or decrease between two values. Enter any two values and the calculator solves for the third. It is one of the most-used calculators for shopping, grades, and data analysis.
How does the GPA calculator work?
Enter your courses with credit hours and letter grades. The calculator converts each grade to a quality point value (A=4.0, B=3.0, etc.), multiplies by credit hours, sums everything, and divides by total credits. It handles both unweighted and weighted GPA scales. You can add multiple semesters to compute cumulative GPA.
What is the difference between permutations and combinations?
Permutations count arrangements where order matters (e.g., ranking finalists). Combinations count selections where order does not matter (e.g., choosing a committee). The formulas differ: P(n,r) = n!/(n-r)! for permutations and C(n,r) = n!/[r!(n-r)!] for combinations. Our calculator computes both and shows the factorial steps.