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How to Use the Excel Sign Function

We can use the excel sign function to return the sign of a number. The sign function returns:

  • Number zero as 0
  • A positive number as 1
  • A negative number as -1

The steps below will walk through the process.

Figure 1: How to Use the Excel Sign Function

Syntax

=SIGN(NUMBER)

Formula

=SIGN(A4)

Setting up the Data

  • We will set up the data by inputting the NUMBERS into Column A
  • Column B is where we want the SIGN FUNCTION to return the result

Figure 2: Setting up the Data

Using the Excel Sign Function

  • We will click on Cell B4
  • We will insert the formula below into the cell
    =SIGN(A4)
  • We will press the enter key

Figure 3: Result of the Sign Function for Cell A4

  • We will click on Cell B4 again
  • We will double-click on the fill handle (the small plus sign at the bottom right of Cell B4) and drag down to copy the formula into the other cells

Figure 4: Result of the Sign Function for Column A

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Another blog reader asked this question today on Excelchat:
Solution examples
How do I create a formula for one spreadsheet to look at multiple others to look at cell A2 and if empty value enter A! in field of the spreadsheet. This is to track a sign off form that would show who still needs to sign.
Solved by G. B. in 60 mins
I'm trying to put the search and output lists for the following formula on a separate sheet. But simply selecting the data on that sheet won't work. =IFERROR(INDEX(E$2:E$6, AGGREGATE(15, 6, ROW($1:$6)*SIGN(MATCH("*"&D$2:D$6&"*", $A2, 0)), 1)),"")
Solved by X. W. in 31 mins

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