Our math calculators are interactive and unique. These calculators are best used to check your work, or to compute a complicated problem. Remember that math calculators are a problem-solving tool, and should not replace conventional math skills. Choose one of the calculators below to get started.

# Calculators

**Description:**

This calculator allows you to perform simple arithmetic operations.

**Description:**

Our circle solver lets you enter the area, diameter or circumference of a circle and then solves for the other two. It is three calculators in one.

**Description:**

Find the circumference of a circle by entering its radius.

**Description:**

Generate a random number between one and a number of your choice instantly.

**Description:**

Generate a random number between two numbers of your choice. This is the most popular of all our calculators.

**Description:**

Easily convert between the seven most popular length units- centimeters, meters, kilometers, miles, inches, feet and yards.

**Description:**

Compute your monthly loan payment after entering the principal, interest rate and number of years.

**Description:**

This powerful tool is used for graphing math functions such as sine, cosine, and tangent.

**Description:**

Find the roots of a quadratic equation with this handy solver.

**Description:**

Convert a whole number into a Roman Numeral with this handy tool.

**Description:**

This comprehensive suite of calculators includes a scientific calculator. It also has is a molecular weight calculator and the tables with various physical and chemical constants.

**Description:**

Find the square root of a number you enter.

**Description:**

Convert between Fahrenheit and Centigrade temperatures.

**Description:**

Find any triangular number interactively.