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Excel DELTA Function

Excel DELTA function
Summary 

The Excel DELTA function will test if two numeric values are equal. When values are equal, DELTA returns 1, otherwise, DELTA returns zero.

Purpose 
Test two values are equal
Return value 
The number one or zero
Syntax 
=DELTA (number1, [number2])
Arguments 
  • number1 - The first number.
  • number2 - [optional] The second number.
Version 
Excel 2003
Usage notes 

The DELTA function tests two numeric values for equality. When values are equal, DELTA returns 1. When values are different, DELTA returns zero. As a result, DELTA can be used to easily count pairs of equal numbers.

For example:

=DELTA(5,4) // returns 0
=DELTA(3,3) // returns 1

In the example shown, the formula in D6, copied down, is:

=DELTA(B6,C6)

Notes:

  1. If number2 is left blank, DELTA assumes number2 equals zero
  2. If either value is text, DELTA returns the #VALUE error.
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