Math calculators
Percentages, fractions, equations and number operations for everyday and classroom problem solving.
Percentage Calculator
Compare percentages, changes and differences in seconds.
Scientific Calculator
Evaluate arithmetic, powers and common scientific functions safely.
Fraction Calculator
Add, subtract, multiply and divide fractions with simplified results.
Average / Mean Calculator
Find the mean, sum, count and range of a numeric list.
Ratio Calculator
Simplify two quantities into a comparable ratio and calculate each side’s share.
Proportion Calculator
Check whether two ratios are proportional by comparing their cross-products.
Exponent Calculator
Raise a base number to a specified exponent and return the resulting power.
Square Root Calculator
Find the principal square root of a non-negative number.
GCD & LCM Calculator
Find the greatest common divisor and least common multiple of two integers.
Prime Number Calculator
Check whether an integer is prime and list its positive factors.
Mixed Fraction
Calculate mixed fraction using labeled inputs and a transparent method.
Decimal to Fraction
Calculate decimal to fraction using labeled inputs and a transparent method.
Fraction to Decimal
Calculate fraction to decimal using labeled inputs and a transparent method.
Weighted Average
Calculate weighted average using labeled inputs and a transparent method.
Geometric Mean
Calculate geometric mean using labeled inputs and a transparent method.
Harmonic Mean
Calculate harmonic mean using labeled inputs and a transparent method.
Median
Calculate median using labeled inputs and a transparent method.
Mode
Calculate mode using labeled inputs and a transparent method.
Range
Calculate range using labeled inputs and a transparent method.
Factorial
Calculate factorial using labeled inputs and a transparent method.
Permutation
Calculate permutation using labeled inputs and a transparent method.
Combination
Calculate combination using labeled inputs and a transparent method.
Logarithm
Calculate logarithm using labeled inputs and a transparent method.
Quadratic Equation
Calculate quadratic equation using labeled inputs and a transparent method.
Linear Equation
Calculate linear equation using labeled inputs and a transparent method.
Absolute Value
Calculate absolute value using labeled inputs and a transparent method.
Modulo
Calculate modulo using labeled inputs and a transparent method.
Rounding
Calculate rounding using labeled inputs and a transparent method.