Excel 2013 Introdução Fórmula & Basic Funções
+ Get more of what you want with excel :
+ Functions and Formulas
+ Entering a Formula
+ Editing a Formula
+ Basic Function
+ Entering a Function
+ AutoSum
+ and many more...
This App includes a wide Variety of Tutorials to learn Ms. excel . Very easy to read and follow step-by-step for everyone!!