20130226-144501.jpg107 One of the things I love about Excel is making 3-D surface charts. Here a student has placed three charges and has entered formulas to calculate the electric potential at a grid of points around the region where the charges are. You can find instructions in this pdf by Bob Beichner. The instructions have been published in The Physics Teacher [Phys. Teach. 35, 95 (1997)].





62 Today the conceptual classes were learning to enter formulas into Excel to get the computer to do multiple tedious calculations.