A collection of mathematics calculators for your everyday use.
Use this calculator to convert a decimal number to a fraction. You can also convert numbers with repeating decimals.
Use this calculator to convert a decimal number to its corresponding hex value and learn how to convert them manually.
Use this calculator to add, subtract, multiply or divide fractions. Full explanation and formulae are also provided to assist you with your calculations.
Whether you need to calculate the percentage for a given statistic, want to see how much your assets have increased by or want to work out the tip for a restaurant bill, the percentage calculator is the tool for you.
Use this calculator to convert a hex value to a decimal and learn how to convert them manually.
Please do feel free to contact me with your comments on my calculators, including any suggestions for possible future development.
From abacus to iPad, learn how the calculator came about and developed through the ages. Read our featured article.