Forum Discussion
Excel mathematical error
Hello Hecatonchire,
Many thanks for the answer and the articles. I read them both and I still have 2 concerns :
In the file there is no division by 3 or anything similar which would result in endless decimals like 3.3333333333333.
Also, the numbers do not go too "high or low" (Microsoft says Excel cannot go beyond ^308). In the file we are speaking about only 10^-6 or -7 at max.
Since the numbers do not go to extremes and there are solely divisions by 10, based on the information you provided I still struggle to understand where does the discrepancy come from.
Ultimately I guess I will have to use the ROUND formula, however I always like to understand things ! 
You haven't read everything.
The 1st example
(5.2-5.1)=0.1 return FALSE
of the 2nd link shows the floating point problem with small numbers (problem linked to the conversion of a certain number to binary)