Created attachment 106992 [details] the example described when you make a sum, delete a part of cells sum and click on undo, the sum is not correct Build ID: edfb5295ba211bd31ad47d0bad0118690f76407d 1. tape for exemple 1 in A1 2 in A2 3 in A3 make a sum in A4, the sum is 6 del 3 in A3, now the sum is 3 undo and the sum continue to be 3 If you edit an other cells, for example A10, the sum change and is correct Operating System: Windows 7 Version: 4.3.2.2 release
*** This bug has been marked as a duplicate of bug 80846 ***