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Topic: Calculator
Replies: 1   Last Post: Aug 1, 1997 7:01 PM

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M.J.Bell

Posts: 73
Registered: 12/4/04
Re: Calculator
Posted: Aug 1, 1997 7:01 PM
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I have a classroom set of 82s and that happens to be what I use at the
overhead. Most of my calculus students are buying the 83. Although the
85 would be fine, I will not give any class time to it and I really miss
the tables (although I know you can write a program for it.) We will
probably go completely to the 83 eventually. One interesting difference
I have found in the 82 and 83 is y = x^(2/3). You have to write it as y
= (x^2)^(1/3) (or some variation of this) to get it to graph negative
numbers on the 82. The same problem can be entered directly on the 83.
There are several similar type situations. I am not particularly eager
for my students to get 92's. I wouldn't mind having one for the overhead
for some demos. I,too, hope that they will not soon be approved for use
on the test. It would change the test too drastically.

M.J.Bell
Denton H.S.
Denton TX




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