Shin (letter) languages, as follows: In the Arabic alphabet, ' is at the original (21st) position in Abjadi order. A letter variant ' takes the place of Samekh at 15th position. "" represents , and is the 13th letter of the modern alphabet order and is written thus: The Arabic letter "šīn" was an acronym for "something" ( "šayʾ(un)" ) meaning the unknown in algebraic equations. In the transcription into Spanish, the Greek letter "chi" (χ) was used which was later transcribed into Latin "x". According to some sources, this is the origin of "x" used for the unknown in the equations.
History of the Greek alphabet Daemon”, he describes how Agesilaus king of Sparta, uncovers Alcmene’s tomb at Haliartus and discovers a brazen plate on which a very ancient script was written, much older than the Ancient Greek alphabet. Agesilaus sent a transcript to Egypt in order to be translated back into Ancient Greek. Agetoridas the Spartan travelled to Memphis of Egypt and gave the transcript to Chonouphis the Egyptian priest. Some scholars speculate that this plate was written in Linear B. Agesilaus’ decision to have text sent to Egypt is not unreasonable; it is widely accepted that Ancient Egyptians during the 4th century BC were