Output
Stacking Rounded Off Figures
12.5.16Today's bout of insanity came around by trying to account for 1mm. Yes, one millimetre.
The total wall when measured is 10 560. The wall is divided into the following lengths (mm);
(624, 3610, 462, 2351, 3514) = 10 561.
One millimetre on a project like this isn't going to bring it to the ground. However, the madness won't let go; why are these figures different when measured in one length compared to measured in several? I remeasured and retested the marking off points, everything seemed good. Then I hit the jackpot
- Displayed dimensions are rounded off, for your pleasure
- Computer dimensions (highlighted in red) are to 4 decimal places
So basically I added up a bunch of rounded off figures. This is kind of what happens when you stack tolerances. Don't measure with severals rulers, find the longest one.
Size matters.
Namaste.
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