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Created on 2013-11-27 07:21 by chili, last changed 2022-04-11 14:57 by admin. This issue is now closed.
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| msg204561 - (view) | Author: chili (chili) | Date: 2013-11-27 07:21 | |
Calculation of print (162-159.9) (IDLE and source script) returns 2.0999999999999943 I don´t make my financial calculation with this command :) |
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| msg204562 - (view) | Author: Mark Dickinson (mark.dickinson) *  |
Date: 2013-11-27 08:06 | |
Sorry; this is just the way that (binary) floating-point works. See http://docs.python.org/2/tutorial/floatingpoint.html for more (or Google 'binary floating point' for a host of references). If you're doing financial calculations, you may want to look into the decimal module: http://docs.python.org/2/library/decimal.html |
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| msg204563 - (view) | Author: chili (chili) | Date: 2013-11-27 08:11 | |
Thx for help. |
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| History | |||
|---|---|---|---|
| Date | User | Action | Args |
| 2022-04-11 14:57:54 | admin | set | github: 64006 |
| 2013-11-27 08:11:36 | chili | set | messages: + msg204563 |
| 2013-11-27 08:06:08 | mark.dickinson | set | status: open -> closed nosy: + mark.dickinson messages: + msg204562 resolution: not a bug |
| 2013-11-27 07:28:58 | chili | set | title: calculation of standard math -> calculation of standard math returns incorrect value |
| 2013-11-27 07:21:47 | chili | create | |