Bamboo Calculator!

When calculate with a standard calculator, have you ever forget the previous step? Have you ever remember whether you miss a step? Features and Benefits: - Simple, rapid, accurate; - View every step of the operations, make sure its right; - Free to modify each step, recalculate the results; - Add comments at any step; - View recent history, and eidt any history; - Mailing your calculation; - Print your calculations list; - According to personal habits set a different layout or color; - Support key voice (iOS7) - Support Apple Watch - Support Split View & Slide Over in iPad