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math equation - problem

 
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nanillia
Smarty n00b


Joined: 18 Dec 2012
Posts: 2

PostPosted: Wed Apr 03, 2013 9:30 am    Post subject: math equation - problem Reply with quote

hello,
I have problem, in file html I want place kode that calculates the discount
[I cant edit other files]
Code has to calculate the difference between the old and new price I did something like this:
{math equation="(y-x)/100" y=$old_price_brutto x=$price_brutto format="%.2f"} This code does not work
When I put the numbers is no problem calculates the difference
for example:
{math equation="(y-x)/100" y="100" x="20" format="%.2f"}

Thank you for your help !
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U.Tews
Administrator


Joined: 22 Nov 2006
Posts: 5068
Location: Hamburg / Germany

PostPosted: Thu Apr 04, 2013 10:58 pm    Post subject: Reply with quote

{math equation="(y-x)/100" y=$old_price_brutto x=$price_brutto format="%.2f"}

is correct code.

Are you sure that you have assigned the right values to $old_price_brutto and $price_brutto?

Add
{$old_price_brutto} {$price_brutto} to check the values
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