TEX: starting from 1

TEX is the program for printing high quality mathematicaltext to which all others are compared. It is flexible enoughto be used on many different computer architectures andoperating systems ranging from microcomputers to mainframes.In a relatively short period of time it has become thestandard tool for mathematical typesetting at practicallyall major universities. The versality of TEX has allowed itto be used in a wide variety of applications; for example,it is used for publishing scholarly jour