| Author | Comment |
ShockTroop
Goliath
Posted: 8 May 2004
11:09 GMT
Total Posts: 170 | Is there a way/(short) set of commands to convert a decimal to a root fraction (such as sqrt(2)/2 or sqrt(4)/4)? |
BullFrog
Wraith
Posted: 8 May 2004
11:20 GMT
Total Posts: 623 | On which calculator?
---
"Men are not prisoners of fate, but only prisoners of their own minds." -Franklin D. Roosevelt |
allynfolksjr
Administrator
Posted: 8 May 2004
18:52 GMT
Total Posts: 1892 | one of the flash utils on ticalc for the 83+ has that feature...
maybe onmicalc or symbolic... |
spiral
Wraith
Posted: 9 May 2004
00:34 GMT
Total Posts: 958 | ti-89 can do it, i don't believe 83 series can though. |
ShockTroop
Goliath
Posted: 9 May 2004
04:48 GMT
Total Posts: 170 | Oops, forgot about my calc. 83+, OS 1.16. I believe the only symbolic/omnicalc features that have to do wither square roots are the square root simplifier, which just converts something like sqrt(32) into something like 4sqrt(2). Plus I'd probably want something that's compatible with 83+ calcs that don't have the apps if it comes to that.
[Edited by ShockTroop on 09-May-04 13:49] |
zkostik
Carrier
Posted: 9 May 2004
08:11 GMT
Total Posts: 2486 | 83+ does not offer symbolic manipulations. all 68k calcs do though and they can simplify radicals and many otherthings for you. tho, if you can't do it by hand i wouldn't recommend you get a calc to do it for you (for obvious reasons).
---
09 F9 11 02 9D 74 E3 5B D8 41 56 C5 63 56 88 C0 |
ShockTroop
Goliath
Posted: 9 May 2004
11:19 GMT
Total Posts: 170 | Um, I think I ended up posting in the wrong forum then. This should probably belong in the programming forum, for the reason that I was going to use the commands to help make a program, and the Omnicalc command wouldn't do much in itself if no one else had the app. |
BullFrog
Wraith
Posted: 9 May 2004
13:06 GMT
Total Posts: 623 | There's a >Frac command on the 83 Plus, under the math menu if I remember right. You could give that a try...
---
"Men are not prisoners of fate, but only prisoners of their own minds." -Franklin D. Roosevelt |
spiral
Wraith
Posted: 9 May 2004
14:07 GMT
Total Posts: 958 | fraction command is for decimals, not root numbers.
You could require omnicalc/symbolic to be installed with your program. |
zkostik
Carrier
Posted: 9 May 2004
18:05 GMT
Total Posts: 2486 | oh good point S, symbolic should probably do the job here. i only use my 83+ on tests (89 all other times) so i don't really put any progs on it.
---
09 F9 11 02 9D 74 E3 5B D8 41 56 C5 63 56 88 C0 |
BullFrog
Wraith
Posted: 9 May 2004
20:43 GMT
Total Posts: 623 | "You could require omnicalc/symbolic to be installed with your program."
Those programs only simplify roots.
---
"Men are not prisoners of fate, but only prisoners of their own minds." -Franklin D. Roosevelt |
spiral
Wraith
Posted: 9 May 2004
23:39 GMT
Total Posts: 958 | guess there's no way then. |
BullFrog
Wraith
Posted: 10 May 2004
09:26 GMT
Total Posts: 623 | Lovely discussion though.
---
"Men are not prisoners of fate, but only prisoners of their own minds." -Franklin D. Roosevelt |
ShockTroop
Goliath
Posted: 10 May 2004
12:16 GMT
Total Posts: 170 | Oh poo. Maybe I should talk to the maker of OmniCalc/Symbolic. Oo, there's an idea! |
BullFrog
Wraith
Posted: 10 May 2004
17:41 GMT
Total Posts: 623 | Why would you need to convert a decimal to a simplified root in the first place?
---
"Men are not prisoners of fate, but only prisoners of their own minds." -Franklin D. Roosevelt |
Lunchbox
Carrier
Posted: 10 May 2004
17:46 GMT
Total Posts: 2007 | i think TI itself manufactures an app that can do that for the 83/84+. Let me see if i can find it.
EDIT: Never mind, it's not exactly what i thought it was.
[Edited by Lunchbox on 11-May-04 02:48] |
Jayhawk
Dragoon
Posted: 10 May 2004
22:34 GMT
Total Posts: 80 | My method for solving your problem would be to take the decimal, square it or cube it or whatever power you're looking for, and then do the >Frac on it. Once you find a reasonable fraction, just do a square, cube, or some other root (the opposite of the power you did to get the fraction). Hope that helps. :) |
spiral
Wraith
Posted: 10 May 2004
23:56 GMT
Total Posts: 958 | decimal->root fractions is quite difficult to do though, because you it all depends on rounding, as decimals always do, and there's so many roots you can do, it's (imo), too difficult to easily implement. Most of the time you'll be going from root->root (68k calcualtors) or root->decimal |
