Math calculators

Perform exact arithmetic on integers larger than JavaScript's ordinary safe-number range.

Perform exact arithmetic on binary integers and convert the result to decimal and hexadecimal.

Perform exact arithmetic on hexadecimal integers and convert the result to decimal and binary.

Convert decimal numbers to normalized scientific and engineering notation.

Calculate straight-line distance, displacement, midpoint, and coordinate differences between two points.

Find slope, distance, midpoint, line equation, and angle from two Cartesian points.

Evaluate arithmetic with parentheses, powers, percentages, and standard operator precedence.

Raise any real base to an integer or fractional exponent and show reciprocal forms for negative powers.

Calculate logarithms with any positive base, including common and natural logarithms.

Solve ax² + bx + c = 0 and report real or complex roots, the discriminant, and vertex.

Calculate square, cube, or nth roots, including real odd roots of negative numbers.

Evaluate scientific expressions with powers, roots, trigonometry, logarithms, constants, and factorials.

Add, subtract, multiply, or divide two fractions and reduce the answer to lowest terms.

Compare an observed value with an accepted value and calculate absolute and signed percent error.

Solve percent-of, percent-ratio, and percentage-change questions with the formula shown.

Simplify a ratio, convert it to fractions and percentages, and scale it to a chosen total.

Calculate area and perimeter for rectangles, circles, triangles, trapezoids, and ellipses.

Find diameter, circumference, area, and equations from a circle radius.

Find the hypotenuse and other properties of a right triangle from its two legs.

Solve all sides, acute angles, area, and perimeter from two right-triangle legs.

Calculate total and lateral surface area for common solid shapes.

Solve a triangle from three side lengths, including area, perimeter, angles, and classification.

Find the volume and surface area of common three-dimensional shapes.

Add, subtract, multiply, transpose, or find the determinant of matrices up to 8 by 8.

List all positive factors shared by two or more whole numbers.

List every positive factor and factor pair for a whole number.

Find the greatest common factor of two or more whole numbers.

Find the least common multiple of two or more whole numbers.

Break a whole number into prime factors and show exponential notation.

Divide whole numbers and show quotient, remainder, decimal result, and the division identity.

Analyze a sequence for arithmetic or geometric patterns and project its next five terms.

Generate one or more random integers or decimals within an inclusive range.

Round a number to decimal places or significant figures and compare floor, ceiling, and truncation.

Calculate the remaining amount, elapsed half-lives, and decay constant for exponential decay.