Everyday Math
MAD Calculator
Find mean absolute deviation, the average, and a complete deviation table.
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Everyday Math Calculators
From exact arithmetic to number lines and trigonometry.
54 tools availableNo account required
Everyday Math
Integer Calculator
Add, subtract, multiply, and divide signed integers with exact results.
Everyday Math
Squaring Calculator
Square a number or fraction and see the exact multiplication.
Everyday Math
Adding Decimals Calculator
Add multiple decimals exactly, with aligned place-value working.
Everyday Math
Square Root Simplifier
Turn a whole-number square root into its simplest radical form.
Everyday Math
Reciprocal Calculator
Find the reciprocal of a whole number, decimal, or fraction.
Everyday Math
Inverse Trigonometry Calculator
Find principal arcsin, arccos, and arctan angles in degrees or radians.
Everyday Math
Number Line Solver
Sort numbers and fractions, or plot a simple interval or inequality.
Everyday Math
Four-Function Calculator
Evaluate everyday arithmetic with parentheses and exact fraction results.
Everyday Math
Trigonometric Graphing Calculator
Graph transformed sine, cosine, or tangent with explicit angle units.
Everyday Math
Log Graphing Calculator
Graph a shifted logarithm and inspect its domain and intercept.
Everyday Math
Percentage Calculator
Find what percentage one number is of another.
Everyday Math
Percent of a Number Calculator
Calculate a percentage of any number.
Everyday Math
Percentage Change Calculator
Measure the percent increase or decrease from an old value to a new value.
Everyday Math
Percentage Difference Calculator
Compare two values using their average magnitude as the reference.
Everyday Math
Proportion Calculator
Solve a proportion of the form a/b = c/x.
Everyday Math
Average Calculator
Find the arithmetic mean of a list of numbers.
Everyday Math
Weighted Average Calculator
Calculate a weighted mean from three values and their weights.
Everyday Math
Fraction to Decimal Calculator
Convert a numerator and denominator into a decimal.
Everyday Math
Decimal to Percent Calculator
Convert a decimal value into a percentage.
Everyday Math
Percent to Decimal Calculator
Convert a percentage into decimal form.
Everyday Math
Exponent Calculator
Raise a base number to a chosen exponent.
Everyday Math
Nth Root Calculator
Find the real nth root of a number.
Everyday Math
Logarithm Calculator
Calculate a logarithm using any valid positive base.
Everyday Math
Absolute Value Calculator
Find the nonnegative distance of a number from zero.
Everyday Math
Rounding Calculator
Round a number to a selected number of decimal places.
Everyday Math
Remainder Calculator
Find the quotient and remainder for integer division.
Everyday Math
GCF / GCD Calculator
Find the greatest common divisor of two whole numbers.
Everyday Math
LCM Calculator
Find the least common multiple of two whole numbers.
Everyday Math
Prime Factorization Calculator
Break a positive integer into its prime factors.
Everyday Math
Factorial Calculator
Calculate n! for a nonnegative whole number.
Everyday Math
Permutation Calculator
Count ordered selections of r items from n.
Everyday Math
Combination Calculator
Count unordered selections of r items from n.
Everyday Math
Ratio Simplifier
Reduce a two-number ratio to its simplest whole-number form.
Everyday Math
Fraction Addition Calculator
Add two fractions and return a simplified exact fraction.
Everyday Math
Fraction Subtraction Calculator
Subtract one fraction from another and simplify the result.
Everyday Math
Fraction Multiplication Calculator
Multiply two fractions and simplify the exact result.
Everyday Math
Fraction Division Calculator
Divide one fraction by another and simplify the exact result.
Everyday Math
Decimal to Fraction Calculator
Convert a decimal to a simplified fraction.
Everyday Math
Fraction to Percent Calculator
Convert a fraction into a percentage.
Everyday Math
Scientific Notation Calculator
Express a number in scientific notation.
Everyday Math
Significant Figures Calculator
Round a number to a chosen number of significant figures.
Everyday Math
Prime Number Checker
Check whether a positive whole number is prime.
Everyday Math
Sum of Integers Calculator
Find 1 + 2 + … + n without listing every term.
Everyday Math
Sum of Squares Calculator
Calculate 1² + 2² + … + n².
Everyday Math
Sum of Cubes Calculator
Calculate 1³ + 2³ + … + n³.
Everyday Math
Geometric Mean Calculator
Find the geometric mean of positive values.
Everyday Math
Harmonic Mean Calculator
Find the harmonic mean of positive values.
Everyday Math
Root Mean Square Calculator
Calculate the RMS value of a list of numbers.
Everyday Math
Percentage Error Calculator
Compare a measured value with an accepted value as a percentage error.
Everyday Math
Unit Rate Calculator
Convert a quantity pair into an amount per one unit.
Everyday Math
Ratio to Percentage Calculator
Express a ratio a:b as a percentage of b.
Everyday Math
Mixed Number to Improper Fraction Calculator
Convert a mixed number into a simplified improper fraction.
Everyday Math
10th Power Calculator
Raise a real number to the power of 10.
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