Microsoft Office Tutorials and References
In Depth Information
Using What Remains with the MOD Function
You can use MOD to tell whether a number is odd or even. By simply using
a number 2 as the second argument, the returned value will be 0 if the first
argument is an even number and 1 if it is not.
But what’s so great about that? You can just look at a number and tell
whether it’s odd or even. The power of the MOD function is apparent when
testing a reference or formula, such as =MOD(D12 - G15,2). In a complex
worksheet with many formulas, you many not be able to tell when a cell will
contain an odd or even number.
Taking this a step further, the MOD function can be used to identify cells in a
worksheet that are multiples of the divisor. Figure 8 -3 shows how this works.
Figure 8-3:
Using MOD
to find
specific values.
Row 1 of the worksheet in Figure 8 -3 shows example formulas of ones that
are entered into the successive rows of Columns B and C, starting from the
second row. Column A contains numbers that will be tested with the MOD
function. If looking for multiples of 4, the MOD function will have 4 as the
divisor, and when a value is a multiple of 4, MOD returns 0. This is evident by
comparing the numbers in column A with the returned values in column B.
The same approach is used in column C, only here the divisor is 10, so
multiples of 10 are being tested for in column A. Where a 0 appears in column C,
the associated number in Column A is a multiple of 10.
In this way, the MOD function can be used to find meaningful values in a
worksheet.
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