Today, the base-10 (decimal) system, which is presumably motivated by counting with the ten fingers, is ubiquitous. Other bases have been used in the past, and some continue to be used today. For example, the See more

Base of the numeral system
In mathematical numeral systems the radix r is usually the number of unique digits, including zero, that … See more

Interesting properties exist when the base is not fixed or positive and when the digit symbol sets denote negative values. There are many more variations. These systems are of practical and … See more

Examples:
• List of numeral systems
• Category: Positional numeral systems
Related topics:
• Algorism
• Hindu–Arabic numeral system See more

Decimal system
In the decimal (base-10) Hindu–Arabic numeral system, each position starting from the right is a higher power of 10. The first position … See more

Each position does not need to be positional itself. Babylonian sexagesimal numerals were positional, but in each position were … See more

• Accurate Base Conversion
• The Development of Hindu Arabic and Traditional Chinese Arithmetics
• Implementation of Base Conversion at cut-the-knot See more