Math calculators

Mathematical calculators Calc1.ru is a set of online tools for performing mathematical calculations: basic operations, percentages, area, volume, powers and roots, equations, statistics, unit converter. Suitable for students, schoolchildren and professionals.

Arithmetic

Simple operations calculator

Online calculator for addition, subtraction, multiplication and division.

Interest calculator

An online percentage calculator will help you quickly calculate the percentage of a number, find out the percentage, increase or decrease a number by a percentage.

Geometry

Area calculator

Calculate the area of a circle, square or triangle online. A simple and accurate calculator with formulas.

Solid volume calculator

Calculate the volume of a sphere, cube or cylinder online. A simple and accurate calculator with formulas.

Algebra

Powers and roots calculator

Calculate the power of a number or extract the root of any power online. A simple and accurate calculator with formulas.

Equation solving calculator

Online calculator for solving linear and quadratic equations with step-by-step explanation

Calculator #1

Math calculators