Math Calculators

A simple, fast calculator for everyday arithmetic.

Full scientific calculator with trig, log, and exponents.

Calculate percentages, increases, decreases, and %-of.

Add, subtract, multiply, and divide fractions with steps.

Convert between decimals, fractions and percentages.

Operations on mixed numbers with automatic simplification.

Simplify ratios and solve ratio proportions.

Solve a/b = c/d for any missing term.

Compute the arithmetic mean of any list of numbers.

Statistics: mean, median, mode, range in one click.

Population and sample standard deviation & variance.

Greatest Common Factor of two or more integers.

Least Common Multiple with step-by-step method.

Check primality and find factors instantly.

Compute n! for large numbers using BigInt.

Compute a^b including fractional and negative exponents.

Find the square root and see the simplified radical form.

Real cube root of positive and negative numbers.

Generate random integers or decimals in any range.

Solve linear and quadratic equations with steps.

Area, circumference and diameter from any radius.

Hypotenuse and area via the Pythagorean theorem.

Area and perimeter of a rectangle from length and width.

Volume and surface area of a cylinder.

Volume and surface area of a sphere.

Slope, angle and distance between two points.

Log of any positive number in any base.

Remainder after dividing a by b.

Break a number down into its prime factors with exponents.

Round a number to a chosen number of decimal places.

Round a number to a given number of significant figures.

Convert numbers to and from scientific notation.

Convert scientific notation back to standard decimal form.

Find the nth root of any number.

Compute the natural logarithm (base e) of a number.

Compute the antilogarithm for a given base and value.

Find terms and sums of arithmetic or geometric sequences.

Compute the nth term and sum of an arithmetic sequence.

Compute the nth term and sum of a geometric sequence.

Generate the Fibonacci sequence up to the nth term.

Solve cubic equations of the form ax^3+bx^2+cx+d=0.

Solve a 2x2 system of linear equations using Cramer's rule.

Solve linear inequalities and express the solution set.

Find the absolute value and sign of a number.

Evaluate a polynomial expression at a given x value.

Divide a polynomial by (x - r) using synthetic division.

Find the remainder of a polynomial division using the remainder theorem.

Find the distance between two points on a coordinate plane.

Find the midpoint between two coordinate points.

Find a line equation from a point and a slope.

Compute area, eccentricity, and foci of an ellipse.

Find the vertex, focus, and directrix of a parabola.

Compute vertices, foci, and asymptotes of a hyperbola.

Find the area, perimeter, and semi-perimeter of a triangle.

Solve for a missing side of a right triangle.

Find a triangle's area from its three side lengths.

Compute interior angle sums and area of a regular polygon.

Find the perimeter, area, and angles of a regular polygon.

Find the complementary and supplementary angles.

Compute the arc length of a circle sector.

Compute the area and arc length of a circular sector.

Calculate area for rectangles, triangles, and circles.

Calculate surface area for cubes, spheres, and cylinders.

Calculate volume for cubes, spheres, and cylinders.

Find the volume and surface area of a cone.

Find the volume, surface area, and diagonal of a cube.

Find the volume and surface area of a rectangular prism.

Calculate the area of a trapezoid.

Find the slope, distance, and midpoint between two points.

Compute vector magnitude, sum, and dot product.

Add and multiply 2x2 matrices.

Find the determinant of a 2x2 or 3x3 matrix.

Find the inverse of a 2x2 matrix.

Add, subtract, multiply, and divide complex numbers.

Find complex roots of a quadratic or roots of unity.

Compute all six trig ratios for a given angle.

Compute the sine of an angle in degrees.

Compute the cosine of an angle in degrees.

Compute the tangent of an angle in degrees.

Compute arcsin, arccos, or arctan of a value.

Solve a triangle side using the law of sines.

Solve a triangle side using the law of cosines.

Find the derivative and integral of a single power term.

Compute the derivative of ax^n using the power rule.

Compute the second derivative of ax^n.

Compute the antiderivative of ax^n using the power rule.

Numerically approximate a definite integral via Simpson's rule.

Numerically approximate the limit of a function at a point.

Compute Taylor/Maclaurin series coefficients for common functions.

Approximate a function value using its Maclaurin series.

Plot points for linear or quadratic functions.

Convert numbers between different number bases.

Convert between decimal and octal number systems.

Calculate the percent change from one value to another.

Calculate the symmetric percent difference between two values.