On Wed, Sep 18, 2013 at 8:14 PM, yi lu <zhiwudazhanjiangshi@gmail.com> wrote:

What I need is just as much number of digits as possible. If I can hold as many digits of pi, i.e. 3.1415926535... as possible and save it in a String, it will be perfect!

Perhaps you had some experience with a computer algebra system (Maple, Mathematica, etc.) and was expecting similar behavior?

While it's certainly possible to build it on top of Haskell, these kind of floating-point features aren't available out of the box. Haskell provides only fixed-bitwidth floating point.

As Oscar recommended, you probably want a String -> String function, say

> toEnglish "1.239402874"

"one point two three nine four zero blah blah"

-- Kim-Ee

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