calculating sums etc. in virtual shop

[David McFarlane]

Jacek,

Stock reminder:  1) I do not work for PST.  2) PST's trained staff 
take any and all questions at 
http://support.pstnet.com/e%2Dprime/support/login.asp , and they 
strive to respond to all requests in 24-48 hours -- this is pretty 
much their substitute for proper documentation, so make full use of 
it.  3) In addition, PST takes questions at their Facebook page 
(http://www.facebook.com/pages/Psychology-Software-Tools-Inc/241802160683 
), and offers several instructional videos there and on their YouTube 
channel (http://www.youtube.com/user/PSTNET ) (no Twitter feed yet, 
though).  4) If you do get an answer from PST Web Support, please 
extend the courtesy of posting their reply back here for the sake of others.

That said, here is my take...

You can computer most anything you like using inline code.  See 
Chapter 4, "Using E-Basic", in the User's Guide that came with E-Prime.

If you are a beginner at E-Prime, then you might also see my essays at
http://groups.google.com/group/e-prime/browse_thread/thread/5425e03968cab428 
and 
http://groups.google.com/group/e-prime/browse_thread/thread/b0ce54870b723fc3 .

-- David McFarlane


>Is E-Prime able to calculate sums etc.? For example a subject is going
>to take a virtual shopping. He has 200 Euro in his wallet. In each
>trial he is presented with a product, and has to decide "buy" or "not
>to buy". After each trial I want to present how much he spent and how
>much money left. After finishing a block of trials I want to present a
>sum of participant's expenses (200 Euro minus what was bought in all
>trials).
>
>Where should I put information about each product price to calculate a
>sum correctly? What kind of InLine script I should write down?
>
>I will appreciate any help! Thank you in advance!
>
>Jacek

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