Random Decimal Digits

ktschultz92

New Member
Joined
Oct 24, 2017
Messages
8
Hello,

I am curious about this phenomenon. Recently, I have noticed that Excel 2016, when I add/subtract 2 numbers that only have 2 digits after their decimal points, the number that results has several other digits after the decimals; or, it will be XXX. 00000000058620000000000. I have increased the number of shown decimals, and all other numbers look like this: XX.XX000000000000000000; there isn't some random hidden number, except in the cell with the formula.

I do understand that if I use the ROUND formula it will fix this. But I'm really, really curious as to why this even happens? See below for an example:

Cell F149: 28559.420000000000000000000
Cell F150: 29265.250000000000000000000
Cell F151: -705.829999999998000000000

Formula:
Cell F149: 28559.42
Cell F150: 29265.25
Cell F151: =F149-F150


Thank you!
 

Excel Facts

Whats the difference between CONCAT and CONCATENATE?
The newer CONCAT function can reference a range of cells. =CONCATENATE(A1,A2,A3,A4,A5) becomes =CONCAT(A1:A5)

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