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**model****Member**- Registered: 2011-08-10
- Posts: 142

speed should be calculate in integer or double or float ? ??

Please tell me with reason thanks

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**bobbym****Administrator**- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 103,723

HI;

A float should be fine. I am assuming that speed is not an integer. A double is slower and uses more memory. But there might be spots where you need the extra precision. Basically you should be economical and use the smallest that you can.

**In mathematics, you don't understand things. You just get used to them.****If it ain't broke, fix it until it is.** **A number by itself is useful, but it is far more useful to know how accurate or certain that number is.**

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