Math Calculators

Find the result of any base raised to a positive or negative exponent.

Calculate a percentage of any number quickly and accurately.

Find the square root of any non-negative number.

Calculate the circumference, diameter, and area of a circle from radius.

Calculate the slope of a line from two points and see rise over run.

Find the hypotenuse of a right triangle from the two legs.

Calculate logarithms with any valid base and positive number.

Round values to the requested number of significant figures.

Convert decimal values to scientific notation quickly.

Calculate percentage increase or decrease between two values.

Find roots of ax^2 + bx + c = 0 using the quadratic formula.

Calculate triangle area from base and height values.

Compute distance between two points in a 2D coordinate plane.

Solve algebra, trigonometry, calculus-style expressions, linear equations, quadratics, and common polynomial problems.

Use a TI-84 Plus CE-style online calculator for arithmetic, powers, roots, trig, logs, and quick graphing-calculator practice.

Use a fast online calculator for everyday arithmetic.

Use a fast online calculator for everyday arithmetic.

Use a fast online calculator for everyday arithmetic.

Use a fast online calculator for everyday arithmetic.

Use a fast online calculator for everyday arithmetic.

Use a fast online calculator for everyday arithmetic.

Use a fast online calculator for everyday arithmetic.

Use a fast online calculator for everyday arithmetic.

Use a fast online calculator for everyday arithmetic.

Use a fast online calculator for everyday arithmetic.

Find the inverse of a 2x2 matrix.

Add, subtract, multiply, or divide two fractions.

Evaluate y = mx + b for a selected x value.

Evaluate y = mx + b for a selected x value.

Solve linear equation ax + b = c for x.

Compute definite integral of a*x^n from x1 to x2.

Differentiate a*x^n and evaluate derivative at x.

Calculate average of five values.

Calculate percent change from original to new value.

Calculate percentage difference between two values.

Calculate percent increase from original to new value.

Solve common percentage questions with flexible calculation modes.

Find volume for common three-dimensional shapes.

Solve a right triangle from the two perpendicular sides.

Solve a circle from radius, diameter, circumference, or area.

Calculate distance using coordinate or geographic inputs.

Find quotient, remainder, and decimal result for whole-number division.

Calculate area for several common two-dimensional shapes.

Find perimeter and area from the three sides of a triangle.

Compare two numbers and simplify the resulting ratio.

Convert between whole numbers and Roman numerals.

Perform arithmetic with binary numbers and review decimal values.

Find surface area for common three-dimensional shapes.

Calculate an nth root for a positive or compatible negative value.