Binary Math: binary numbers and mathematics

Launched in 2006, the website is all about binary numbers and mathematics.

Straightforward, it provides clear and simple explanations about the binary number system and binary mathematics.

At you will find exercises to help you understand how to do arithmetic, additions, subtractions, multiplications, divisions and decimal conversions. also provides a free online conversion tool.

These online lessons are designed with brevity, accuracy and completeness in mind. As a consequence, it provides the basics of binary systems, numbers and mathematics. It explains, with supporting examples, how to do basic calculations like additions and subtractions, or multiplications and divisions.

For those who need to practice, there is a section with exercises and problems to solve, just to test your skills. Examples are also shown with step-by-step explanations for those who need a clarification.

Just as a reminder, this system codification uses only 0 and 1 (on/off), where decimal system uses numbers from 0 to 9, and hexadecimal uses numbers from 0 to 9 plus letters from A to F.

To learn more, feel free to visit the website:

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