Math Calculators

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.

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This calculator allows you to perform simple arithmetic operations.
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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.
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Find the circumference of a circle by entering its radius.
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Generate a random number between one and a number of your choice instantly.
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Generate an instant random number between two numbers of your choice.
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Easily convert between the seven most popular length units- centimeters, meters, kilometers, miles, inches, feet and yards.
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Compute your monthly loan payment after entering the principal, interest rate and number of years.
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This powerful tool is used for graphing math functions such as sine, cosine, and tangent.
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Find the roots of a quadratic equation with this handy calculator.
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Convert a whole number into a Roman Numeral with this handy tool.
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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.
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Find the square root of a number you enter.
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Convert between Fahrenheit and Centigrade temperatures.
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Find any triangular number interactively.
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Calculating future value with compound interest.
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Use this fraction calculator for adding, subtracting, multiplying and dividing fractions. Answers are fractions in lowest terms or mixed numbers in reduced form.

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