🔢 Math Calculators

Solve p|ax+b|+q [<≤>≥] r inequalities: isolate, apply rule, get interval and set-builder notation

Combine one or more linear inequalities with AND/OR and graph them on a number line

Check if numbers are relatively prime with overall GCD and pairwise coprimality analysis

List consecutive integers, find starting value from sum, or find all integer pairs from product

Decompose a number into prime factors and see division steps

Check whether an integer is a prime number

Test if a number is divisible by selected divisors from 2 to 25 in summary and detail modes

List all positive factors and factor pairs of an integer

Solve a compatible system of 2–4 congruences using general CRT including non-coprime moduli

Calculate the digital root of any integer with digit-sum steps and mod 9 relation

Calculate GCD and LCM

Apply Fermat's Little Theorem for theorem check, power reduction, and modular inverse

Calculate modulo, quotient and divisibility using Euclidean modulo

Calculate modulo, exponentiation, congruence and modular inverse

Convert numbers between bases from 2 to 36

Check if an integer is a perfect square and find the nearest perfect squares

Check if an integer is a perfect cube including negative perfect cubes

Find the nth triangular number, check if a number is triangular, or generate a sequence

Count, round to N significant figures, and apply sig-fig rules to arithmetic operations

See the place name and digit value for every digit in a number

Convert numbers to scientific, E and engineering notation; perform basic operations in scientific notation

Calculate the multiplicative inverse of a number as a fraction and decimal

Convert a fraction or mixed number to decimal at chosen precision with terminating or repeating note

Add or subtract 2 to 6 fractions including mixed numbers with simplified result and step-by-step solution

Decompose a proper rational function into partial fractions using a structured factor list — linear and irreducible quadratic factors

Decompose positive rational fractions into unit fractions using the greedy algorithm

Convert finite and repeating decimals to simplified fractions with mixed number and conversion steps

Expanded notation, factor form, and exponential form for integers and decimals

Convert numbers to words in Turkish, English or Arabic

Calculate C(n,k) exactly with BigInt; factorial form, reduced product, symmetry note, and Pascal row

Calculate factorial of a number

Calculate how many ways to choose r items from n distinct items

Calculate the number of ordered arrangements of r items from n

Calculate total outcomes for multiple stages using the multiplication principle

Calculate the weighted average using numeric or percentage weights with a row-by-row breakdown

Calculate the row-by-row products of two or more lists and their sum

Calculate the geometric mean of a list of numbers and compare with the arithmetic mean

Calculate the harmonic mean and sum of reciprocals from a list of positive numbers

Calculate mean, median, mode, min, max, Q1, Q3, IQR and outlier hint

Calculate sum of squares, mean square, and RMS; see how it differs from standard deviation

Calculate sample and population standard deviation, variance and mean

Calculate area of geometric shapes

Divide, calculate or check lengths using the golden ratio (φ)

Calculate the perimeter of square, triangle, circle and other shapes

Calculate volume of geometric shapes

Calculate the Euclidean distance between two points (x₁, y₁) and (x₂, y₂)

Convert between inches, centimetres, millimetres and metres

Calculate room or area in square meters