A key part—though surely not the only part—of early-grades math is ensuring students get the basic arithmetic functions down ... kids really need to know the multiplication tables when those ...

Although not required for basic addition, Excel has the SUM function ... to do basic math in Excel, your calculations will ...

The most basic functions in Calc are simple arithmetic: Addition, subtraction, multiplication, and division (or, as Alice in Wonderland calls them, Ambition, Distraction, Uglification, and Derision).