General information about formulas in Excel

If you have not used Excel before, you will soon discover that it is not just a grid in which you enter numbers into columns and rows. Of course, you can use Excel to calculate the totals of a column or a row of numbers, but you can also calculate the payment of a mortgage, solve mathematical or engineering problems, or find the most optimistic hypothesis depending on the variables you enter.

Excel performs these operations using formulas in cells. A formula performs calculations or other actions with the data in your spreadsheet. A formula always starts with an equal sign (=), which can be followed by numbers, mathematical operators (such as + or – to add or subtract) and integrated functions of Excel, which can extend the power of a formula.

Take a look here for How to sort Excel rows

For example, the following formula multiplies 2 by 3 and then adds 5 to the result to give the answer, 11.

= 2 * 3 + 5

The following is a sample of the types of formulas that can be written to a spreadsheet.

  • = A1 + A2 + A3     Adds the values of cells A1, A2 and A3.
  • = SUM (A1: A10)    . Use the SUM function to return the sum of the values from A1 to A10.
  • = TODAY ()    . Returns the current date.
  • = MAYUSC (“hello”)     Convert the text “hello” to “hello” using the function MAYUSC .
  • = SI (A1> 0)    . Use the SI function to test cell A1 and determine if it contains a value greater than 0.

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