<p>Not the voyage 200 because of its QWERTY keypad. Wow. I just noticed QWERTY is the first six letters on the top row of my keyboard starting on the left, right underneath the numbers.</p>
<p>Oh </p>
<p>OK</p>
<p>Does anyone in here know how to convert decimals to fractions on the Ti-86? It's a pain.</p>
<p>I just go to f2...then exact</p>
<p>or you can go to the catalog, then exact()</p>
<p>I press f2, nothing.
I go to catalog, there's no exact()</p>
<p>89 is awesome. I still prefer my 83 for stats problems, because that's what I learned it on.</p>
<p>Now I want one! I'm taking AP calculus next year and I am currently sporting a Ti-83+. I thought about getting one sooner, but NYS regents don't allow the Ti-89, only the 83+.</p>
<p>
[quote]
Now I want one! I'm taking AP calculus next year and I am currently sporting a Ti-83+. I thought about getting one sooner, but NYS regents don't allow the Ti-89, only the 83+.
[/quote]
Where does it say that NYS Regents don't allow the TI-89? I know a lot of people including myself who used the TI-89 on the Regents.</p>
<p>Grrr! We've gotten off topic again! Implicit differentiation and logs of different bases! It says the calc can do them in the manual it came with, how do you do them?!?!?!?!?!?</p>
<p>just use the simple log rule for logs of diff bases</p>
<p>log base 6 (x) = ln (x)/ln (6)</p>
<p>as for implicit differentiation....some for gods sakes please post how.. i lost my manual and i landed on this thread while googling.</p>
<p>TI-89 is GOD!!!! Confusing, yes, but it's like having a NASA supercomputer at your fingertips. However, after receiving one as a gift for engineering school, I was disappointed to find that we are not allowed to use calculators in Calc I at GT. :(</p>
<p>so is there a big difference between the ti-89 and ti-89 titanium? sorry if this has been said already but i didn't see it</p>
<p>and if so can you describe how much more helpful it would be? for ti 89 titanium on Sat 2math, calculus and math in general.</p>
<p>I divide my into two seperate eras: BC (Before the TI-83+) and TE(TI-83+ era). I'm betting that when I get an 89 it'll be like armageddon or something.</p>
<p>It only makes sense that the 83 is more user friendly, that's why it had so many revisions (83+, 83+SE, 84, 84+, 84+SE).</p>
<p>The 89 freaking rocks. However, it cannot do implicit differentiation, and I'm nearly positive about that.</p>
<p>The 83/84 sucked compared to the 89.</p>
<p>Also I suggest that anyone who uses an 89 makes a custome home menu with all the commands/things you use frequently, like log, ln, e, arcsec/arccos/arctan/etc., sec, csc, cot, f(x), g(x), and units like _m, _ft, _ft/s, _l, etc.</p>
<p>You should be able to find tutorials online or something.</p>
<p>What about for statistics? is ti-89 better then 83?</p>
<p>I saw programs for stat, do they exist for the 89 also?</p>
<p>I loved my 89 titanium. then I lost it. so now I'm using an 83. the 89 was soo much better.</p>
<p>And my SAT math score went down 10 points from the 89 to the 83. maybe it's not a lot, but I also studied the second time.</p>
<p>you can do diamond enter or just simply enter a decimal after any number.
like for 9/4 just do 9/4 diamond enter or just 9./4 or 9/4.</p>
<p>So is the ti-89 good for statistics.
I see ti-83 is very commen.</p>