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Sigma notation. mc-TY-sigma-2009-1. Sigma notation is a method used to write out a long sum in a concise way. In this unit we look. at ways of using sigma notation, and establish some useful rules. In order to master the techniques explained here it is vital that you undertake plenty of practice. exercises so that they become second nature.
Sigma Transliterated S Ancient Pronunciation: s as sense This came from the Semitic alphabet, where it was once shaped like our W. (The Hebrew shin, familiar to most people from Jewish religious objects, is the same letter.) The letter was turned to make the classical Greek sigma. The Greek sigma in turn was altered slightly as our s. At the end of a word, lower-case sigma was written as our lower-case s.