| Author | Comment |
korkow
Ultralisk
Posted: 1 Apr 2005
16:34 GMT
Total Posts: 465 | Whenever I do something like "-8^2" on ALL (73-v200) of the TI graphing calculators, it's will give me the incorrect answer. As you know "-8*-8=64" but if I type "-8^2" the answer it gives me is "-64". Am I being REALLY stupid, or did TI seriously mess up? |
alex10819
Wraith
Posted: 1 Apr 2005
16:37 GMT
Total Posts: 507 | try (-8)^2
it might think you want the negative square root of 8 |
korkow
Ultralisk
Posted: 1 Apr 2005
16:38 GMT
Total Posts: 465 | Nevermind, I figured it out. The calculator sees "-8^2" as "-(8)^2". So when I type "(-8)^2" It gives me the correct answer!
EDIT: Heh! Alex answered me WHILE I was typing this! :lmao_a:
[Edited by korkow on 02-Apr-05 02:39] |
alex10819
Wraith
Posted: 1 Apr 2005
16:44 GMT
Total Posts: 507 | lol... |
Lunchbox
Carrier
Posted: 1 Apr 2005
18:45 GMT
Total Posts: 2007 | Yep, it's because the calculator evaluates the ^ operation beofre the negation. |
spiral
Wraith
Posted: 2 Apr 2005
00:25 GMT
Total Posts: 958 | it's not because of the calculator, it's like that for all math, follow the order of operations. Parans, exponent, multiply/divide, add/subtract. |
