Etymology
The term "septemdecimal" is derived from Latin: * "septem": meaning "seven" * "decim": meaning "tenth"
Meaning
Septemdecimal refers to a system of notation using a base-17 number system, where each digit represents a value from 0 to 16.
Origin
The septemdecimal system of notation was first proposed by the Indian mathematician Varahamihira in the 6th century CE. He used the system in his astronomical and astrological calculations. However, it did not gain widespread use.
In the 20th century, the septemdecimal system was revived by the computer scientist Donald Knuth. Knuth used the system for the design of certain algorithms and data structures.
Usage
The septemdecimal system of notation is rarely used in modern mathematics or computing. However, it has been occasionally employed in specialized fields such as astronomy, crystallography, and computer architecture.
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