The History of Arabic Numerals
6:15
The Origin of Numbers
4:42
The Fascinating History of Arabic Numerals (Modern Day Numbers!)
13:22
The Arabic Language : A Journey Through its History and Dialects
16:27
Why the number 0 was banned for 1500 years
8:52
The History of the Alphabet
13:27
The 9 Ranks of Angels
23:51
Por Que esse Número Está em Todo Canto?
46:52