Discussion about math, puzzles, games and fun. Useful symbols: ÷ × ½ √ ∞ ≠ ≤ ≥ ≈ ⇒ ± ∈ Δ θ ∴ ∑ ∫ • π ƒ -¹ ² ³ °
You are not logged in.
#1 2007-03-02 11:04:14
- John E. Franklin
- Star Member
Offline
Significant Digits java-thingy
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
Imagine for a moment that even an earthworm may possess a love of self and a love of others.
#2 2007-03-28 19:33:54
- justlookingforthemoment
- Moderator
-
Offline
Re: Significant Digits java-thingy
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.
#3 2007-03-28 20:09:35
- MathsIsFun
- Administrator
Offline
Re: Significant Digits java-thingy
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
#4 2007-03-29 14:51:52
- MathsIsFun
- Administrator
Offline
Re: Significant Digits java-thingy
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