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## [Orgmode] adding up decimal fractions in the spreadsheet

**From**: |
Rainer Thiel |

**Subject**: |
[Orgmode] adding up decimal fractions in the spreadsheet |

**Date**: |
Sat, 27 Sep 2008 09:19:46 +0200 |

Following a hint by Bernt Hansen, I have now changed org-table-sum to
(format "%s" res) until I'll be able to use the corrected version
Carsten Dominik uploaded to the git repository (which I am not sure
how to access).
Even so, org-table-sum at times shows a strange behaviour.
When I try to sum up the following table:
| 12130.68 |
| -1444.19 |
| -12744.90 |
| -186.00 |
| 7000.00 |
| -7056.00 |
| -335.58 |
| -277.00 |
I get -2912.9899999999993 (-2912.99 being the exact result). This is
something I'd expect when square roots or logarithms are implied, but
with such a simple addition and subtraction of decimal numbers I'd be
inclined to call it a bug. Is there a way to improve org-mode in this
respect?
Many thanks again for this great mode
--
Prof. Dr. Rainer Thiel
Institut für Altertumswissenschaften
07737 Jena, Germany (EU)
address@hidden

**[Orgmode] adding up decimal fractions in the spreadsheet**,
*Rainer Thiel* **<=**