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Subject: Re: How to calculate the value of a string formula
From: Doug Walker
Date: 1/13/1999 11:45:49 AM


Caven wrote:
>I want to calculate a value of a formula you >inputed. such as:

>in a string : c= "(8 + 7 ) /3"

>how to calculate the value in vbscript?

>you know,there is a function named "EVAL()",
>but whats it in vbscript?

Try converting the string to a type "double" or "single" or "integer" like this:
<%c = cdbl((8 + 7) /3)%>

cdbl for conversion to type double
clng for long
cint for integer
Check this with <%=c%> and you should get 5.

<%Cdbl(c)%> doesnt work since c is already a string! You must make the conversion at the same time you are setting c.
Hope this helps.


Previous Message

Follow Up - Re: How to calculate the value of a string formula - Caven 1/13/1999 7:47:20 PM


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