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**John E. Franklin****Member**- Registered: 2005-08-29
- Posts: 3,588

MIF, if you try this data in your thingy, it gets two decimal points.

http://www.mathsisfun.com/rounding-numbers.html

3.1415926535897932384626433832

Significant Digits: 18

**igloo** **myrtilles** **fourmis**

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**justlookingforthemoment****Moderator**- Registered: 2005-05-26
- Posts: 2,161

It's a bit old, but no one has replied ...

It does that for me too, John. Also for 20, 22, and 26 decimal places with pi.

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**MathsIsFun****Administrator**- Registered: 2005-01-21
- Posts: 7,618

Ooohhh, thats crazy.

Sorry, John, I must have missed your original post.

I will investigate.

"The physicists defer only to mathematicians, and the mathematicians defer only to God ..." - Leon M. Lederman

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**MathsIsFun****Administrator**- Registered: 2005-01-21
- Posts: 7,618

Investigation revealed that internally it was converting a long list of digits to scientific notation which then played havoc with the rest of the routine.

I came up with a new method which hopefully works. It does for me.

Please try heaps of random variations and tell me how it goes

"The physicists defer only to mathematicians, and the mathematicians defer only to God ..." - Leon M. Lederman

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