My Math Forum How to enter sin^2x into a calculator to graph?

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 October 13th, 2007, 07:18 PM #11 Joined: Nov 2006 From: I'm a figment of my own imagination :? Posts: 848 Thanks: 0 If a calculator had a color screen, it would almost certainly be more expensive than an otherwise comparable calculator with a black-and-white screen. Why do you ask for a feature that would raise the price, while in the same breath complaining about a calculator with other added features being expensive?
 October 13th, 2007, 08:03 PM #12 Joined: Sep 2007 Posts: 7 Thanks: 0 I actually have 2 calculators. One is an old TI-83 since things like TI-89 are banned in Trig, but starting in Calculus they are allowed. My TI-83 I bought off craiglist for $20. My TI-89 is a titanium, and I got it for about$160 at Best Buy. I bought the 89 by mistake, but figured since I will need it in the future I did not return it. It's a really nice calculator.
 October 13th, 2007, 08:23 PM #13 Senior Member   Joined: Sep 2007 Posts: 198 Thanks: 0 I have the TI-89 previous to the titanium, using OS version 2.09. I already have a color graphing program called Derive 6. Unfortunately, TI has stopped the Derive line and don't support it anymore.
October 14th, 2007, 06:11 AM   #14

Joined: Dec 2006

Posts: 1,111
Thanks: 0

Quote:
 I bought the 89 by mistake, but figured since I will need it in the future I did not return it. It's a really nice calculator.
Good thing it was on something as small as a calculator. Imagine if it had been something larger...

"Yeah, I went out to buy a Ford sedan, but I accidentally bought a Porsche instead. I thought it might come in handy later on, though, so I kept it."

Or something like that.

 Tags calculator, enter, graph, sin2x

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# sin squared theta in calculator

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