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- From: kolstad@cae.wisc.edu (Joel Kolstad)
- Newsgroups: comp.sys.hp48
- Subject: Re: Using programmable calcs in exams
- Message-ID: <1992Dec24.065754.23632@doug.cae.wisc.edu>
- Date: 24 Dec 92 12:57:54 GMT
- References: <1992Dec22.012718.20648@engr.LaTech.edu> <Bzqz5I.8BK@unccsun.uncc.edu> <Bzr27A.601@ux1.cso.uiuc.edu>
- Organization: U of Wisconsin-Madison College of Engineering
- Lines: 54
-
- In article <Bzr27A.601@ux1.cso.uiuc.edu> lemson@ux1.cso.uiuc.edu (David Lemson) writes:
- >Most everyone I knew stored engineering physics notes in their
- >calculators - they were provided on a formula sheet, but the
- >sadistic profs inevitably changed variables and mixed them up so
- >that you had no idea what formulas were for what. Students used the
- >48SX's directory structure to store the formulas because:
- >1) You can use those formulas while you do practice tests, hence
- >getting to know exactly where those formulas were, instead of using
- >a foreign formula sheet
- >2) You can classify like-looking formulas by its topic with the
- >directory names.
-
- And from a Professor's point of view, there should be nothing wrong with
- your using your calculator for this purpose. I've had professors who use
- the books _they_ originally used for learning something to teach from, and
- they use different symbols than the book _we_ use. Realizing that people
- do use different names for variables out there in the "real world," you
- ought to pick a set of symbols you're comfortable with and stick with them.
- Professors trying to force you to use the set _they_ like would be
- remarkably silly. (beta=k, i=j, etc., etc.!)
-
- >I have found in Junior level EE classes, the material is
- >sufficiently difficult that having a fancy calculator is marginally
- >beneficial. We are allowed crib sheets usually, and most
- >calculations are simple. Matrix manipulations sometimes make it
- >easier, but again, it's marginal.
-
- Quite true.
-
- >I had one class where calculators were not allowed at all - linear
- >systems and signals. When I saw the Laplace Transform program on
- >the archive sites, I realized why. :-)
-
- My linear systems and signals class exams usually consisted of you _SHOWING
- YOUR WORK_ in deriving some of the easier Laplace Transforms, and then
- using the properties of Laplace Transforms to answer questions about system
- responses. Since really, actually doing the Laplace Transform is a math
- question, and once you've demonstrated that you can set up the integral
- properly, it becomes a mathematical operaiton that is no longer linked to
- signals and systems in particular.
-
- (I like exams set up in this style... "Given this problem in the field
- we're studying, turn it into a problem in another field so that you can
- find someone else to actually evaluate it." :-) )
-
- >On another note, a math professor I know who markets a math course
- >taught on Mathematica tells me that the HP people give some schools
- >a classroom full of HP high-end calculators, in order to teach
- >engineering and math with them. They are developing programs like
- >this.
-
- Good!
-
- ---Joel Kolstad
-