Add punctuation: He is considered by most historians of mathematics as one of the greatest mathematicians of all time
A: He is considered by most historians of mathematics as one of the greatest mathematicians of all time.

Add punctuation: Australia Powerball lottery results Thursday 30 April 2015
A: Australia Powerball lottery results - Thursday 30 April 2015

Add punctuation: As a standard the MultiCellink ISDN comes with two GSM lines as well as a wide range of functions
A:
As a standard, the MultiCellink ISDN comes with two GSM lines as well as a wide range of functions.