On Fri, Apr 23, 2004 at 03:32:54AM +0200, Sebastian Sylvan wrote:
First you need to parse the expression into a Haskell data type. For
this I would recommend Parsec (see Haskell.org). The Haskell data type
would be something like
data Expr = AtomD Double | AtomI Integer | Add Expr Expr |
Tomasz Zielonka wrote:
On Fri, Apr 23, 2004 at 03:32:54AM +0200, Sebastian Sylvan wrote:
First you need to parse the expression into a Haskell data type. For
this I would recommend Parsec (see Haskell.org). The Haskell data type
would be something like
data Expr = AtomD Double | AtomI
Ay Joselito wrote:
I want to develop an application
in which the user enters a mathematical equation,
presumably as a string (any arbitrary equation, using
any of the standard mathematical operators : +,*,^,
etc, and any of the standard functions: sin, exp,
etc.). I need to take that string,
