[LON-CAPA-users] cleaning up submissions for numerical response problems

Bob Gonzales rgonzal at binghamton.edu
Thu Dec 11 13:11:39 EST 2014


I'd like to look at the code that Loncapa uses to clean up submissions in
numerical response problems.  I'm referring to clean-up actions like
converting exponents from '1x10^1' to '1e1' and removing leading '+' signs.

We have some lab exercises in which we use the student's entered data  in
some numerical response problems.  I'm getting the previously submitted
data  via the &EXT() function.

Every once in a while a student will submit their data with something  like
a leading '+' sign, which Loncapa cleans up, and the data is accepted as
correct.  So, it would be good for me to do the same clean up before I use
the submission.

I've looked around in the system and I see some cleanup in the
'implicit_multiplication' routine in 'caparesponse.pm'  but I'm not sure
I'm even in the right place.

Any help or comments regarding any submission handling would be appreciated.

Bob Gonzales
Chemistry Dept
Binghamton University
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