Functions

Absolute Value Calculator

Evaluate a real number, fraction, decimal, or expression, then see the simplified value before absolute value, the non-negative result, number-line distance.

Antilog Calculator

Use an antilog calculator to turn log values back into original numbers for base 10, e, 2, or any custom base, with worked scenarios, inverse checks.

Boolean Algebra Calculator

Simplify Boolean expressions, generate truth tables, compare equivalent forms, and read minterms, maxterms, SOP, POS.

Completing the Square Calculator

Complete the square step by step, convert a quadratic to vertex form, and review the vertex, axis of symmetry, discriminant, roots, square term.

Complex Number Calculator

Add, subtract, multiply, divide, inspect conjugate, inverse, modulus, argument, and exponential form, and convert complex numbers between rectangular, polar.

Cube Root Calculator

Find the real cube root of any number with perfect-cube checks, nearby cube references, exact radical simplification, negative-number support.

Discriminant Calculator

Use this discriminant calculator to compute b² − 4ac, classify quadratic roots, see steps, and interpret real, repeated, or complex roots.

Equation of a Line Calculator

Find the equation of a line through two points in slope-intercept, point-slope, and standard forms.

Exponent Calculator

Calculate any power or exponent — raise a base to any power, find roots, and switch between power and root modes.

Log Calculator

Use this log calculator to solve common log, natural log, log base 2, and custom-base logarithms.

Point Slope Form Calculator

Write the equation of a line in point-slope form given a point and a slope, with conversion to other forms.

Quadratic Formula Calculator

Use the quadratic formula calculator to solve ax^2 + bx + c = 0 with decimal or fraction coefficients, compare exact radical and decimal roots.

Rise Over Run Calculator

Use this rise over run calculator to find slope from two points or from a direct rise and run, then compare the ratio, decimal slope, percent grade, angle.

Root Calculator

Find the nth root of any number with domain validation for even roots of negative values and exact-result detection.

Slope Calculator

Find the slope, y-intercept, angle, distance, and line equation from any two coordinate points on a graph.

Slope Intercept Form Calculator

Convert a linear equation to slope-intercept form y = mx + b, extracting slope and y-intercept.

Square Root Calculator

Calculate the square root of any non-negative number with principal and negative roots, equation checks, and nearby perfect-square references.

Summation Calculator

Use this summation calculator to evaluate sigma notation over integer bounds, inspect partial sums, and compare first and last terms for a finite series.

System of Equations Calculator

Solve systems of 2 or 3 linear equations using Cramer's rule, showing determinants, solution type, and step-by-step work.

Trigonometry Calculator

Use this trigonometry calculator to evaluate sin, cos, tan, reciprocal trig functions, inverse trig functions, unit-circle values, reference angles.

X Y Intercept Calculator

Find the x-intercept and y-intercept of a linear equation from standard form, slope-intercept form, or two points, with steps and graphing guidance.