<p>Ok... I use a TI-89, but for some reason, the ACT does not allow the use of that (wonderful) calculator. Can you 83 people generously donate some of your knowledge about your calculators? Key functions... stuff like that... Thanks!</p>
<p>:)</p>
<p>I'll help you tomorrow. :-)</p>
<p>What specifically do you need to know? (Just basic stuff for the ACT? or calculus functions, etc?)</p>
<p>Basic things for the ACT. I heard the math isnt that hard, but I just wanna make sure I can do things like graph, find zeros... maybe some more advanced features and some tricks that'll help me.</p>
<p>Thanks.</p>
<p>:)</p>
<p>I would say, the best way to go is to get a TI-83 and do a practice test with it...it would help you a lot more than us telling you where functions are.</p>
<p>Hmm... Good Idea, I think i'll try that.</p>
<p>2nd enter allow you to copy previous lines
2nd quit it insert
trig functions have thier own buttons
math ---> frac allows you to convert decimals to fractions</p>
<p>If you need to know ne thing specific let me know!</p>
<p>Hm... Wow, definitely didn't know that. Thanks.</p>
<p>:)</p>
<p>Another question. I've been using a Casio for the past four years and I was thinking about buying a TI for college (I live in Asia, hence the Casio) since it's more common in the states. Any suggestions on which model I should buy (do colleges, like the SAT/ACT etc, have limits on which models you can use/bring to exams)? Thanks!</p>
<p>Get a Texas Instruments (TI) 89 (Titanium, if possible). It's probably the best calculator out there in that you can bring it to most tests (Except for the ACT... for some weird reason) and it has the most functions that'll help you. To take the ACT, just borrow a TI 83 from a friend like I'm doing.</p>
<p>Second choice would probably have to be the TI 83 Plus.</p>
<p>:)</p>
<p>Most of the zeros and stuff is in 2nd CALC.. pretty much self-explanatory.</p>
<p>If you are looking for certain solutions in a graph, use TRACE. Just click it, plug in your x-cord., push enter.. and you'll get your solution. It's much faster. Also the TABLE feature comes in handy. Press 2nd TBLSET, set where you want to start, and choose your interval. And then just browse through the table (sometimes it's really useful).</p>
<p>Um.. Also on the main screen, 2nd ENTRY and ANS can speed up calculations. Just experiment with them.</p>
<p>Hey now they have ti 84 + silver edition- its the new model of what i have ti83+ silver</p>
<p>Hey HiWei!!!! i have a solution for you.... okay, u like 89s right? so kind of "make" a calculator that looks like an 83 but the functions inside are actually 89... like take out the cover, mess around with the buttons... reassmble it... so it says 83, but the functions are actually 89</p>
<p>or... u can build ur own calculator... using the bodies of an 83. so like, u assemble your own parts, but keep the 83 front and back cover</p>
<p>heck... make a 92 into an 83! now u can store stuff</p>
<p>Haha... a 92 that's disguised as an 83 would be hilarious...</p>
<p>But I think I'll just figure out how to use the 83... can't be too hard. Plus people tell me that ACT Math is easier than SAT Math and slightly harder than 1st grade math...</p>
<p>:)</p>
<p>HAHA i would actually like to see that done sometime; a person taking a standarized test with a disguised 92. The proctor kind of "skims" your calculator; they don't hold it up, push the on button, mess around with it, and THEN say, "its good"... they just kinda.. glimpse at it</p>