[LON-CAPA-users] Variable sig figs (not a range)

Lucas, Mark lucasm at ohio.edu
Thu Sep 27 16:28:35 EDT 2012


Can you create a variable for sig figs?  You can set it to 3 when <10 and 4 when >10.
Place it as the argument for the default option.

While I'm not totally sure this flies (you want to check it out), I think it may work. You can
set some other parameters by variables.


On Sep 27, 2012, at 4:16 PM, Mills, Douglas G wrote:

> HI All,
> There may be an obvious way to do this, but it’s escaping me if so.  We want students to enter masses they are measuring in the lab to the hundredths place, but we’re in a range where they could be dealing with numbers more or less than 10, so 3 or 4 sig figs. I know we can accept a range of 3,4, but ideally what we’d really like to do is to require answers to “2f”.  I know I could do this using a custom response, but before evaluating whether or not it’s worth that effort, is there a way to do this using a numerical response?  
> Thanks as always,
> Doug
> Douglas Mills
> Director of Instructional Technologies
> Department of Chemistry
> University of Illinois
> dmills at illinois.edu
> (217) 244-5739 
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Mark Lucas 								email: lucasm at ohiou.edu
252D Clippinger Lab						phone: (740)597-2984
Department of Physics and Astronomy		fax: (740)593-0433
Ohio University
Athens, OH 45701

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