Hi list.
I have string variables that contain mathematical expressions. These
strings are submitted through forms.
For example if a user inserts the following- 1+cos(0.3)*x into a text field
with name expression in an HTML form then
what i get on the server is the string variable $expression whose values is
1+cos(0.3)*x
Is there a way to convert the string variable, $expression, into a
mathematical expression that can be calculated?
Thanks in advance.
DX.
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