SOLVED

Please help me find where this error is coming from.

%3CLINGO-SUB%20id%3D%22lingo-sub-3268602%22%20slang%3D%22en-US%22%3EPlease%20help%20me%20find%20where%20this%20error%20is%20coming%20from.%3C%2FLINGO-SUB%3E%3CLINGO-BODY%20id%3D%22lingo-body-3268602%22%20slang%3D%22en-US%22%3E%3CP%3E%26nbsp%3B%3C%2FP%3E%3CP%3EPersonal%20Finances%20Workbook.%3C%2FP%3E%3CP%3ESimple%20Transactions%20Table%20(Currency%20so%202%20decimal%20digits)%3C%2FP%3E%3CP%3ENo%20Interest%20Calcs%20or%20similar.%3C%2FP%3E%3CP%3EFormula%20to%20derive%20balance%20on%20the%20selected%20account%20is%3A-%3C%2FP%3E%3CP%3E%3D(SUMIFS(TrAmount%2CTrAccName%2CB4))%3C%2FP%3E%3CP%3ENot%20much%20room%20for%20error%20there!%3C%2FP%3E%3CP%3EAfter%20about%2035%20transactions%20to%20the%20account%20I%20am%20getting%20a%20figure%20which%20should%20be%200%20of%3A-%3C%2FP%3E%3CP%3E-%C2%A30.000000000000028421709430404%3C%2FP%3E%3CP%3E%26nbsp%3B%3C%2FP%3E%3CP%3EWhere%20is%20this%20coming%20from%20please%3F%3C%2FP%3E%3CP%3EI%E2%80%99m%20baffled!%3C%2FP%3E%3CP%3EMany%20thanks.%3C%2FP%3E%3CP%3EJon%3C%2FP%3E%3C%2FLINGO-BODY%3E%3CLINGO-LABS%20id%3D%22lingo-labs-3268602%22%20slang%3D%22en-US%22%3E%3CLINGO-LABEL%3EExcel%3C%2FLINGO-LABEL%3E%3CLINGO-LABEL%3EFormulas%20and%20Functions%3C%2FLINGO-LABEL%3E%3CLINGO-LABEL%3EOffice%20365%3C%2FLINGO-LABEL%3E%3C%2FLINGO-LABS%3E%3CLINGO-SUB%20id%3D%22lingo-sub-3269069%22%20slang%3D%22en-US%22%3ERe%3A%20Please%20help%20me%20find%20where%20this%20error%20is%20coming%20from.%3C%2FLINGO-SUB%3E%3CLINGO-BODY%20id%3D%22lingo-body-3269069%22%20slang%3D%22en-US%22%3EThank%20you!%3CBR%20%2F%3EThat's%20obvious%20now%20it's%20been%20explained%20to%20me!!%3CBR%20%2F%3ERegards%3CBR%20%2F%3EJon%3C%2FLINGO-BODY%3E%3CLINGO-SUB%20id%3D%22lingo-sub-3268705%22%20slang%3D%22en-US%22%3ERe%3A%20Please%20help%20me%20find%20where%20this%20error%20is%20coming%20from.%3C%2FLINGO-SUB%3E%3CLINGO-BODY%20id%3D%22lingo-body-3268705%22%20slang%3D%22en-US%22%3E%3CP%3E%3CA%20href%3D%22https%3A%2F%2Ftechcommunity.microsoft.com%2Ft5%2Fuser%2Fviewprofilepage%2Fuser-id%2F1305380%22%20target%3D%22_blank%22%3E%40JonnieMorgan%3C%2FA%3E%26nbsp%3BGoogle%20for%20%22Floating%20point%20error%22%20and%20just%20accept%20it.%20When%20you%20notice%20something%20like%20this%20wrap%20the%20formula%20in%20a%20ROUND%20function.%20So%2C%20in%20your%20case%20use%3A%3C%2FP%3E%3CP%3E%26nbsp%3B%3C%2FP%3E%3CP%3E%3CSPAN%3E%3DROUND(SUMIFS(TrAmount%2CTrAccName%2CB4)%2C2)%3C%2FSPAN%3E%3C%2FP%3E%3CP%3E%26nbsp%3B%3C%2FP%3E%3C%2FLINGO-BODY%3E
Occasional Contributor

 

Personal Finances Workbook.

Simple Transactions Table (Currency so 2 decimal digits)

No Interest Calcs or similar.

Formula to derive balance on the selected account is:-

=(SUMIFS(TrAmount,TrAccName,B4))

Not much room for error there!

After about 35 transactions to the account I am getting a figure which should be 0 of:-

-£0.000000000000028421709430404

 

Where is this coming from please?

I’m baffled!

Many thanks.

Jon

2 Replies
best response confirmed by Grahmfs13 (Microsoft)
Solution

@JonnieMorgan Google for "Floating point error" and just accept it. When you notice something like this wrap the formula in a ROUND function. So, in your case use:

 

=ROUND(SUMIFS(TrAmount,TrAccName,B4),2)

 

Thank you!
That's obvious now it's been explained to me!!
Regards
Jon