Combining Excel's COUNTIF function and graphing tools produces a tally chart. Getty Solving linear programming problems in a spreadsheet yields equations for maximizing business profits.

If you're handwriting Math Notes on the ‌iPad‌, write an equation and then circle it to get to the graphing options. The new 3D graphic functionality could be useful for linear algebra and ...

Figure 2 shows a graph of intake I 1 of nutrient 1 versus . ... Zinober ASI . Linear programming techniques for the construction of palatable human diets. J Operation Res Soc 1994; 45: 489–496.