Simple formulas that work with values are easy to create. In essence, simple formulas use Excel like a calculator. These simple formulas are somewhat limiting because they don't use any values from the other cells in the worksheet. You can enter a formula into a cell, or you can enter it into the Formula bar.
The next To Do exercise gives you a chance to create and edit some simple formulas. Because the formulas are only for practice, you should be working on a blank worksheet.
The first formula adds a series of numbers together. Click into a blank cell on the worksheet and type =35+35+35. When you're done typing, press the Enter key. Notice that the result of the calculation, 105 ...