Arithmogender is a xenogender subset to Mathgender in which one feels as though their gender is connected to a number. This could be any number, including decimals, fractions, positive, and negative numbers. It is similar to numbergender.
History
Arithmogender was coined on or before August 23, 2014 by an unknown via MOGAI-Archive.
Flag
The flag was coined on September 12, 2015 by Pride-Flags on Deviantart.