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January 18th, 2010, 02:25 PM
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Message at bottom of screen
I am doing math programs with formulas
Is it possible to have the formula shown on line 8 and have the program run on lines 1 thru 7 and change the line 8 formula listing when the next problem is shown (ie different formula)??? [or have the formula shown on line 1, and the program run on lines 2 thru 8] - Thank you for your time and efforts falcon
__________________
many free tutorials at http://freetutorials.name
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January 18th, 2010, 04:30 PM
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Try using Disp for everything as normal, and Output( to show your equation on Line 8. Disp will only fill up the top 7 lines, and always will leave Line 8 blank, so you can use Output( for your equation.
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January 18th, 2010, 06:25 PM
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- Thank you for your time and efforts - Code:
"LENGTH= ->Str1 "AREA= ->Str7 Lbl V1 ClrHome Output(8,4,"A=L^3 Input Str1 L^3->A Disp Str7,A Pause Goto A Lbl A is the menu some of the formulas have many inputs when I use input, the formula is removed Do you know of any way to accomplish this without using split screen ?? - falcon
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January 19th, 2010, 08:03 PM
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Either constantly redisplay it at Output(8,1 or split the screen You could also display it all in the Draw Screen, but Input is in the Homescreen, and constantly switching between home and draw screens is annoying if not done correctly. There are many other options, so I'd probably go with constantly redisplaying it.
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January 19th, 2010, 09:39 PM
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This is the way I did it - constantly redisplaying it (as you said)
I was hoping for a better way. I am trying to build an algebra tutorial on some algebra problems (programs) and their solution using the TI-83/84 calculator in manual mode and program for the same problems. (some of it can be found here - this was done with a lot of help from the forums - http://freetutorials.name/Reference1/Algebra%20Articles.html) Thank You falcon Code:
"LENGTH= ->Str1 "WIDTH= ->Str2 "HEIGHT= ->Str3 "VOLUME= ->Str4 "BASE ->STR5 "RADIUS= ->STR6 "AREA= ->Str7 "SURFACE " ->Str8 Lbl V1 CUBE ClrHome Output(8,4,"A=L^3 Input Str1,L L^3->A Disp Str7,A Pause Goto A Lbl VR PRISM ClrHome Output(8,6,"V=LWH Input Str1,L Output(8,6,"V=LWH Input Str2,W Output(8,6,"V=LWH Input Str3,H LWH->A Output(8,6,"V=LWH Lbl 1 Disp Str4,A Pause Goto A Lbl VP PYRAMID ClrHome Output(8,4,"V=(BH)/3 Input Str5+"=",B Output(8,4,"V=(BH)/3 Input Str3,H (BH)/3->A Output(8,4,"V=(BH)/3 Goto 1 Lbl VS SPHERE ClrHome Output(8,4,"V=(4/3)piR^3 Input Str6,R (4/3)(piR^3)->A Output(8,4,"V=(4/3)piR^3 Goto 1 Lbl VC CYLINDER ClrHome Output(8,4,"V=piR^2H Input Str6,R Output(8,4,"V=piR^2H Input Str3,H piR^2H->A Output(8,4,"V=piR^2H Goto 1 Lbl VN CONE ClrHome Output(8,4,"V=(1/3)piR^2H Input Str6,R Output(8,4,"V=(1/3)piR^2H Input Str3,H (1/3)(piR^2H)->A Output(8,4,"V=(1/3)piR^2H Goto 1
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January 20th, 2010, 08:47 PM
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Sorry, I wish there were a better way also. You can try to make your own engine for inputting numbers, and have it use solely the Draw screen, but that could use too much memory for it's usefulness and it's aesthetic appeal, but if made properly, you won't need to constantly redisplay the equation. If you don't like constantly redisplaying it, you still can split the screen into half Draw, and half Home screens. That way you can show the equation on the Draw screen, and input on the Home screen. Either way, I don't mind helping you out with the coding, so just ask if you need help. I'm pretty good with making my own custom input number/string engines, so I can help you with that.
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January 21st, 2010, 02:04 PM
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Example of several formulas (volume - 3D)
This is the way it finally ended up Displays formula at the bottom and figure using strings - it is made to be used on all TI-83/84s and to help learning formulas references for obvious reasons References: Surface area formula http://www.onlinemathlearning.com/surface-area-formula.html surface area of common solids http://www.mathguide.com/lessons/SurfaceArea.html volume formulas http://www.onlinemathlearning.com/solid-geometry.html space figures and basic solids http://www.mathguide.com/lessons/SurfaceArea.html surface area and volume http://staff.argyll.epsb.ca/jreed/math9/strand3/3107.htm Mathematical References http://www.rfcafe.com/references/mathematical.htm Thank You falcon Code:
"LENGTH= ->Str1 "WIDTH= ->Str2 "HEIGHT= ->Str3 "VOLUME= ->Str4 "BASE ->STR5 "RADIUS= ->STR6 "AREA= ->Str7 "SURFACE " ->Str8 Lbl V1 CUBE ClrHome Output(8,2,"CUBE Output(8,7,"A=L^3 Input Str1,L Output(8,2,"CUBE Output(8,7,"A=L^3 L^3->V Lbl 1 Disp Str4,V Pause Goto A Lbl VR PRISM ClrHome Output(8,2,"PRISM Output(8,8,"V=LWH Input Str1,L Output(8,2,"PRISM Output(8,8,"V=LWH Input Str2,W Output(8,2,"PRISM Output(8,8,"V=LWH Input Str3,H LWH->V Output(8,2,"PRISM Output(8,8,"V=LWH Goto 1
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January 21st, 2010, 11:19 PM
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I'll mull over the engine later today. I'm sure I can think up something that will help you out. Right now, I really ought to get to sleep. (it's quarter past midnight)
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February 1st, 2010, 01:32 AM
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I finally placed formulas at top of screen using "Disp."
This way only needed to write once. Don't know of a way to use at bottom of screen without constantly rewriting, which uses up too much memory. - Thank you for your time and efforts falcon
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February 2nd, 2010, 01:02 AM
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Oh, sorry. I forgot about this post. I did finish the code for an "Input" for the Draw screen though. Unfortunately some freshman who didn't know how to use a calculator cleared my RAM while trying to run a game I had made. So I no longer have the program. Sorry. Last edited by MufinMcFlufin : February 2nd, 2010 at 02:20 AM.
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