Automated service for answering common math problems. Provides an array of calculators from algebra, equations, inequalities, calculus, matrices, graphs, to numbers.
Range of calculators including: simple arithmetic, hexadecimal, conventional keypad, mortgage payments, linear measure and more. To be used as-is or added to your web site.
Scientific and standard calculators, financial pricing, currency, high school maths, household finances, property, tax and conversion tools. Registered members may save, customize, and operate multiple tool instances on one page.
Mathematical statistics and forecasting calculators including an equation plotter, multiple regression modeling, and a variety of descriptive statistics from variability and concentration to percentiles and correlation.
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Discover how many seconds old you are, the difference between a gallon in the USA and a gallon in the UK, how many nanometers in an inch, how many quarts in a chaldron and more. Handy scientific calculator is also available.
Huge assortment of calculators including those for specific energy, spread rate, viscosity, specific heat capacity, length, area, volume, mass, temperature, angles, cost of living in several different countries and more.
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Interactive math lessons, calculators, charts and games, worksheets, newsletters and discussion forum.
A variety of calculators including: basic, scientific, square root, fractions, decimals and more. Also find math resources and tools such as practice tests, games and homework help.
A conversion and calculation center filled with a large variety of measurement and calculator tools, including: currency, finance, date & time, metric to feet, miles to kilometers and more.