Mathematics Calculators

Mathematical calculators for algebra, calculus, and number operations

Add Percentage to Number

Mathematics

Increase a number by a certain percentage. Useful for calculating price increases, salary raises, and growth rates.

How to: Enter the base number you want to increase

Percentage of a Number

Mathematics

Calculate what a certain percentage of a number is. Useful for discounts, tips, taxes, and other percentage-based calculations.

How to: Enter the number you want to calculate a percentage of

Subtract Percentage from Number

Mathematics

Decrease a number by a certain percentage. Useful for calculating discounts, price reductions, and decreases.

How to: Enter the base number you want to decrease

Area Calculator

Mathematics

Calculate the area of circles, squares, rectangles, and triangles. Supports multiple geometric shapes with accurate formulas.

How to: Select the geometric shape you want to calculate (Circle, Square, Rectangle, or Triangle)

Average Calculator (Mean, Median, Mode)

Mathematics

Calculate mean (average), median, and mode for your dataset. Understand the differences and when to use each measure.

How to: Enter your dataset in the text field

Descriptive Statistics Calculator

Mathematics

Calculate key descriptive statistics including mean, median, mode, variance, and standard deviation from your dataset.

How to: Enter your dataset in the text field

Equation Solver

Mathematics

Solve linear and quadratic equations step-by-step. Enter equations in text format or use coefficients. Get detailed solutions with explanations.

How to: Select input mode: 'Enter equation' for text input or 'Enter coefficients' for direct number input

Percentage Change Calculator

Mathematics

Calculate the percentage increase or decrease between two values. Supports positive and negative numbers with accurate formulas.

How to: Enter the original value (the starting or initial value)

Perimeter Calculator

Mathematics

Calculate the perimeter of circles, squares, rectangles, and triangles. Supports multiple geometric shapes with accurate formulas.

How to: Select the geometric shape you want to calculate (Circle, Square, Rectangle, or Triangle)

Pythagorean Theorem Calculator

Mathematics

Calculate the sides of a right triangle using the Pythagorean theorem. Find the hypotenuse or a missing leg with accurate formulas.

How to: Select the calculation mode: 'Find Hypotenuse' or 'Find Missing Leg'

Quadratic Equation Calculator

Mathematics

Solve quadratic equations of the form ax² + bx + c = 0. Calculate discriminant and find real roots using the quadratic formula.

How to: Enter the coefficient a (the number multiplying x², cannot be zero)

Square Root Calculator

Mathematics

Calculate the square root of any positive number instantly. Perfect for geometry, algebra, and everyday math problems.

How to: Enter the number for which you want to find the square root

Standard Deviation Calculator

Mathematics

Calculate standard deviation, variance, and mean for your dataset. Choose between population and sample calculations.

How to: Enter your dataset in the text field

Volume Calculator

Mathematics

Calculate the volume of common 3D shapes using accurate mathematical formulas. Supports cube, sphere, cylinder, and cone calculations.

How to: Select the 3D geometric shape you want to calculate (Cube, Sphere, Cylinder, or Cone)