Convert decimal numbers fast and easy. Common Number Systems enable you to enter a decimal number which is converted to its binary, octal and hexadecimal representation. In addition, the user may increase or decrease the current number by one digit, showing the changes in all numeric encodings.
When learning to write computer programs, beginners often enough have troubles to understand the concept of various numeric bases. While the conversion from one base to another is simple and can be done by almost any pocket calculator, the reason why hexadecimal numbers are the preferred way to denote binary numbers is not evident.

The license of this software is Freeware, you can free download and free use this calculator software.