Mathematics

A simple 4-function calculator with memory, square root and percentage keys.

Advanced calculator with trig, logarithms, exponents and memory functions.

Calculate percentages, percent of a number, percentage increase or decrease.

Add, subtract, multiply and divide fractions with step-by-step results.

Convert any decimal number to its equivalent fraction in simplest form.

Convert fractions to decimal numbers instantly.

Find the greatest common factor (GCF) of two or more numbers.

Find the least common multiple (LCM) of a set of numbers.

Compare and simplify ratios, or solve for an unknown term in a ratio.

Check whether a number is prime and list its factors.

Add, subtract, multiply and divide mixed numbers.

Reduce fractions to their simplest form.

Find equivalent fractions for any value.

Compare two or more fractions with step-by-step work.

Order fractions from smallest to largest.

Add and subtract fractions with positive and negative numbers.

Simplify fractions within fractions.

Convert percentages to decimal values.

Convert percents to fractions in lowest terms.

Convert decimals to percentage notation.

Convert fractions to percent values.

Convert mixed numbers to decimals.

Convert mixed numbers to percent values.

Round numbers to any decimal place.

Perform arithmetic with significant figures.

Step-by-step long addition with regrouping.

Step-by-step long subtraction with borrowing.

Step-by-step long multiplication.

Long division with remainders or decimals.

Convert between standard and scientific notation.

Find prime factors for any integer.

List all factors of any whole number.

Generate multiples of any number.

Find common factors for a set of numbers.

Find the least common denominator.

Compute the golden ratio from any value.

Calculate a mod b with proof.

Write numbers in expanded notation.

Convert to standard form.

Identify the place values of digits.

Calculate unit rates for ratios.

Solve for speed, distance or time.

Add, subtract, multiply and divide money values.

Lattice method for multiplication.

Add and subtract positive and negative integers.

Solve diamond math problems.

Find GCF using Euclid's algorithm.

Round numbers to any nearest multiple.

Multiplication tables guessing game.

Arithmetic in scientific notation.

Count sig figs.

Round to sig figs.

Step-by-step equation solver.

General math calculator.

Convert ratios to fractions.

Simplify ratios.

Fraction number line.

Solve for x in fractions.

Decimal/fraction reference table.

Average of fractions.