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A solid square in the first column marks the variable for which you solved and indicates that the equation is balanced. An ellipsis shows that the value continues beyond the screen. A very small number may appear to be a large number until you scroll right to see the exponent The values of the variables are updated in memory.
A solid square in the first column next to left-rt indicates that the equation has been evaluated at the new value of the variable for which you solved Please see the TI Plus C Silver Edition guidebook for additional information. News Center Contact TI.
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It's pretty simple. I assume you know how the quadratic formula is formulated. Well, that is exactly what you need to do here. Now the calculating part is finished. The output part When putting out something, the first thing you want to is to have a clean writing area, so you need to clean the home screen with ClrHome. Now you want the program to say the value of the discriminant and both possibilities for X.
Of course you are gone do this with the Output command. I am only giving a suggestion. But now there is one problem. When executed, it will show you what you want to know and place a big 'Done' through it.
You don't want that, do you? If you can't think of a good formula, just wait and pay attention during science and chemistry class. There will pass by a nice formula. Now if you are not going to school anymore, you must by that damn smart you can think of a formula yourself, right?
New command's Prompt Input. By now you know how to make a program output something and how to make it ask for a value, so why not make a program which can convert miles into kilometers and vice versa. Because you know the ClrHome, Input and Output command and you know how to store variables inside a program, you can already make a program which can do one way. Of course you also can make another program which can do the other way.
That is also possible. To do so we are going to use labels. With the Goto command you can give the program the task to jump directly to the label, no matter if the label is before or after the Goto command. Also with the Menu command you can make the program go to a label.
The Menu command explains itself actually, it creates a menu. We want to do this, because we want to be able to choose if we want to convert km to miles or miles to km.
The Menu command is a bit complicated. After this command you first need to time the text you want at the top of the menu, then the text of the first option, then name of the first label, the the name of the second option, then the name of the second label and so on.
There is a maximum of 7 options. This is really easy. Just type the Lbl command and type an one after it: :Lbl 1 After this, the actual conversion program can start.
This you can find at the beginning of this step. Be sure you take over the one to convert miles to km and not the other one. After taking this program over, you need to add one line: Stop. The program needs to know it has to stop there.
If you do not add this line, it will go on to label 2 and ask you for the km. So add this line! Now add label two and take over the conversion program at the beginning of this step. Here you don't need to add the stop line, because it must continue with the only job of label 3, stop. So after the conversion program just add 'Lbl 3' and you're finished. Also after Lbl 3 you do not need to add a Stop command, because is the program lines end, the program automatically stops executing.
The only difference is that this last option takes one more bit of memory space New command's Menu Lbl Goto Stop. You now know the basics of programming your calculator. Enjoy doing so! If you want to know more, check out this instructable. It's another instructable of mine about programming your calculator, only it's a more advanced level.
Happy programming! What is the proper way to do the following? Can someone tell me what's wrong with this? I want to use it so I can enter all the values in and have it solve for a missing variable.
Reply 3 years ago. Reply 5 years ago. This calculator function does what you describe numerically. Question 3 years ago on Step 5. I was doing the quadratic formula program and got a nonreal answer error.
I realized that the equation I entered actually didn't have any x-intercepts. Is there any way to make the calculator say "no real x-intercepts" instead of the error message? Reply 4 years ago. My best guess would be to go to mem, its a second command. All programs are stored on the RAM, so it makes sense they disappear when your clear this memory. Luckily there is a solution. Before clearing or resetting your RAM, move the program's you want to keep to the archive memory.
Then what should I do if I run out of battery? Everything you say is correct and unfortunately there is no solution to this. I would recommend to always store your programs in archive, unless you are running or editing them. After you are done with them, directly put them back in the archive. When the programs are in archive while changing the batteries, they won't be removed. Also, change the batteries as soon as the calculator starts warning you they are running low. If you have some programs you really do not want to lose, you could think about making a backup on your computer.
My advanced tutorial explains how to do this. I thought you were supposed to press on PRGM from the home screen. I found out because I was looking at the advanced instructions about changing the name of the PRGM and I was following the steps and ended up at the screen.
Thank you for all the help!!! I would like to make it so if Z is a whole number to display it as is otherwise leave it in the square root. By bboyArthur Follow. More by the author:. Did you make this project? Share it with us! I Made It!
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