Questions regarding calculators such as the TI-83 (Plus), HP 50g, and other calculator models.

learn more… | top users | synonyms

2
votes
2answers
2k views

is there a CIS button on graphic calculators (Casio/TI)

Is there a cis (CosX + iSinX) Button in CASIO graphic calculators ? if so where its ? if no is there any turn around for it ? PS. I got a CASIO fx-9860G Thanks
0
votes
5answers
2k views

Is there a calculator out there that shows the full answer instead of shortening it?

I'm looking for a calculator that shows a full answer regardless of it's length. For example the assignment 2^1000 will output: ...
0
votes
2answers
2k views

How to create an array in TI-89 Titanium calculator?

Has anyone experienced using TI-89 BASIC programming to solve math problems? I want to create an array using TI-89 but I don't know how? Update I tried both ...
1
vote
2answers
212 views

calculate x using regression equation

I calculated the cubic regression for a set of numbers following the instructions on this site: http://epsstore.ti.com/OA_HTML/csksxvm.jsp?nSetId=71235 I am wondering how do I evaluate using the ...
24
votes
4answers
6k views

Calculator algorithms

Does there exist a good reference on the algorithms used by calculators, especially on the trigonometric and transcendental functions? I would still like to know how Casio generates its random ...
1
vote
1answer
707 views

Advanced math software for the TI-89 (discriminant of a general polynomial?)

I was wondering if this question should be posted in this forum or in Stack Exchange, but reading both "What kind of questions can I ask here?", in Math I found Software that mathematicians use ...
20
votes
7answers
1k views

“Why do I always get 1 when I keep hitting the square root button on my calculator?”

I asked myself this question when I was a young boy playing around with the calculator. Today, I think I know the answer, but I'm not sure whether I'd be able to explain it to a child or layman ...