Question about Casio ClassPad 300 Calculator

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Issues with the output of my programs

Hello, i write a code for a program i needed for college, this program throws a lot of solutions (iterative method) but when i see the output program screen it looks like the classpad erases the firsts solutions, it only gives me the latest solutions, it seems like it doesn has enough memory to keep the solutions in the output screen, well, thank you for your help

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Re: issues with the output of my programs - Casio ClassPad 300 Calculator Calculators

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Posted on Apr 08, 2008

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Programming in TI-84 Plus? I'm a High School student?

There is nothing wrong with your English. The problem with your request is that the program you are talking about is NO program at all, but a collection of formulas that may serve as a cheat sheet. If your teacher wanted you to make this program he would have shown you the steps to key in. Besides it would be a lot more efficient to just write these formulas on the board. Sorry, there will be no help from me.
Your formulas 2 and 3 are useless, and formulas 7 and for the real solutions of a quadratic equation are wrong. The right member should be multiplied by 1/a.
How about trying to learn your formulas by heart? It is good for your memory and you will avoid being caught cheating.

Apr 11, 2012 | Texas Instruments TI-84 Plus Calculator

1 Answer

A program slows my Ti down, but only after 5 sec.

Your program is depleting the RAM. You may be creating too many graphics and when you no longer need them, you are not erasing them from inside the program. 24KB is easily used up. It is also possible that some calculations(if you are doing calculations?) are not converging. Recursion can be quite involved and they take too much time.
What can I say? Even a small program badly designed (no reflection on your abilities) may misbehave after a few iterations.

Mar 04, 2012 | Texas Instruments TI-84 Plus Calculator

2 Answers

Im trying to create a program to run the colebrook formula but after i program it and enter the unknown i get error data type and brought back to program editor screen.

The error data type means that the program is expecting a specific type of data ( number, list, matrix, real, complex, string, etc.) while you are feeding it some other type of data. The point in the program where you are taken when the error occurs is where the exception was launched.

A common source of error stems from the use of variables that are global and defined in some other program. You can use the same name inside your program as long as you declare the variable local.
If your program is in fact a function, then all its argument must be passed in the call to the function: You cannot ask a function to read your input.

I will not pretend to know why you get the error, but the few comments I made above may help you debug the program.

By the way, if you are interested a Cobebrook online calculator, here is a link

Apr 26, 2011 | Texas Instruments TI-89 Calculator

1 Answer

How do I get newtons method into my calculator?

Press [PGRM] [|=>][NEW][1:Create New][ENTER]
At the prompt NAME=, Type the name of the program.
Use the catalog [2nd][CATALOG] to enter the commands Input, Lbl, nDeriv(, Disp, Pause, If, abs(, Stop, and Goto.
In the catalog, the entry mode is ALPHA

  1. The fisrt two lines of the second screen are not to be entered. (It is an overlap). I had to scroll down to get to the bottom of the program editor screen.
  2. Before you can use it to solve for the zeros of a function, you must define it in the [Y=] editor.
  3. The symbol Y1 in the program listing can be entered by pressing [Vars][|=>Y-VARS][1:Function][1:Y1].
  4. When finished entering the program press [2nd][QUIT] to exit the editor.
To run it, press [PGRM]. Under the menu [EXEC] you see a list of the available programs. Select the one you want and press [ENTER]
During the run, the program finds an iterate and waits (Pause) for you to press [ENTER]. You must keep pressing [ENTER] after each iteration, until it returns Done.

Hope it helps.
Thank you for using FixYa.
Do not forget to rate the solution.


Nov 24, 2009 | Texas Instruments TI-84 Plus Calculator

1 Answer

Solving a linear equation from TI30XS Multiview

Sorry this calculator cannot solve equations. It does not have the program. It does not know how to do those things. However it can calculate. Before you can use the calculator you must prepare all yourself. When you have solved the problem, you ask the calculator to compute the value of what you found.

Let us clean the equation a bit
2(x-4) -5x=-5
Get rid of the parentheses 2(x-4) becomes 2x-2*4=2x-8 .Put that result where it was in equation
2x-8 -5x=-5
Group together the terms that have x in them 2x-5x=-3x
2x-8-5x=-5, becomes -3x-8=-5
You want to isolate the term with x (have it on one side, and the others on the other side) -3x= -5 -(-8)= -5+8 =3.

The equation becomes
-3x=3 Thus -x=3/3=1 and x=-1.
In general you would have obtained x= (some number/some other number) and that is where the calculator would intervene.

Hope it helps.

Sep 11, 2009 | Texas Instruments TI-30XA Calculator

1 Answer

I have a TI-89 that I haven't used since high school and I was wondering where I can find instructions for programming specific equations in that I need for my work


It is my pleasure to give you the link to the manual for the TI89/TI92

I do not know what kind of work you do, but you should visit the site and Click the Download-->>Software menu. There are a lot of third party programs at (or com)
Hope it helps.

Sep 06, 2009 | Texas Instruments TI-89 Calculator

1 Answer

Lost programs!!!!

I am sorry, but no, there is no other way.

May 14, 2009 | Texas Instruments TI-83 Plus Silver...

2 Answers

Error in running program

I agree with the previous solution and would like to add if you declare your variables using the local command then they will only reside in that program.
:local db, e, plus other variable used in your program with a comma to separate them.

And I think what the above solution is saying is to :Disp "k",k would work better.
I hope you used the Ti commands and not the ones you spell out on your listing, if so you might want to check them too. The store command I can understand why you typed it out.

I like the fact you want to program so remember fixYa to help you develop your programming.

Apr 01, 2009 | Texas Instruments TI-89 Calculator

1 Answer

Cant play games on calc

This probably is not a problem with your calculator. A syntax error is caused by the program you are running. It just means that the game you have downloaded has a bug in the code and is unplayable. Check out for a lot of working games and programs.

Aug 27, 2007 | Texas Instruments TI-84 Plus Silver...

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