🔢 Math Calculators

Calculate percentage change and ratio

Calculate area of geometric shapes

Calculate volume of geometric shapes

Calculate factorial of a number

Calculate room or area in square meters

Calculate GCD and LCM

Convert numbers between bases from 2 to 36

Solve for the unknown in A/B = C/D

Convert between inches, centimetres, millimetres and metres

Convert between miles, kilometres and metres

Calculate the result of base raised to an exponent

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

Calculate the number of ordered arrangements of r items from n

Decompose a number into prime factors and see division steps

Simplify radical expressions and find decimal approximation

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

Generate random integers or decimals within a specified range

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

Calculate modulo, exponentiation, congruence and modular inverse

Convert numbers to words in Turkish, English or Arabic

Calculate sample and population standard deviation, variance and mean

Calculate the absolute value of a number

Check whether an integer is a prime number

List all positive factors and factor pairs of an integer

Round a number by selected precision and rounding mode

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

Calculate square roots with perfect square check and both real roots

Calculate cube roots including negative numbers and perfect cube check

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

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

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

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

Solve the unknown in a proportion using cross multiplication with step-by-step output and verify mode

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

Calculate ceiling, floor and trunc of a number with explanation for negative values

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

Calculate modulo, quotient and divisibility using Euclidean modulo

Solve for the missing value among initial, final and absolute change

Demonstrate the associative property numerically for addition and multiplication

Expand a×(b+c) or find the common factor of two terms

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

Round numbers to 10 or 5 for mental math; see the approximate result and signed error

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

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

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

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

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

Add a list of numbers and see the sum and addition chain

Subtract two numbers or subtract a list from a starting value in two modes

Multiply a list of numbers with sign summary and multiplication chain

Divide in Quick, Quotient and Remainder, or Decimal Precision mode

Compare two numbers and see >, <, or = with explanation; supports decimals and negatives

Perform the four basic operations on decimal numbers without floating-point artifacts

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

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

Calculate any integer power of the imaginary unit i using the mod-4 cycle

Decompose positive rational fractions into unit fractions using the greedy algorithm

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

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

Calculate total outcomes for multiple stages using the multiplication principle

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

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

Addition, subtraction, multiplication, division, exponent, and root checks with integers

Approximate π using circle measurements and Buffon's needle experiment

Add positive numbers step by step with carrying and aligned column display

Subtract positive numbers step by step with borrowing and aligned column display

Multiply two numbers step by step with partial rows, decimal and negative support

Multiply whole numbers using the box/area model and place-value decomposition

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

Generate normal magic squares for odd n (3,5,7,9) and doubly-even n (4,8), see sums and magic constant

Rationalize radical or irrational denominators step by step, see conjugate and simplified result

Factor ax²+bx+c quadratic trinomials step by step using reverse FOIL and grouping

Convert between infix, prefix, and postfix notation in all six directions

Generate set-builder notation from an interval and condition, compile finite rosters

Solve structured absolute value equations p|ax+b|+q=r step by step with two-case split and verification

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

Add or subtract single-variable polynomials with like-terms grouping and standard form steps

Evaluate J_n(x) and I_n(x) Bessel functions for integer order and real argument using power series

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