Tech Support (new threads)

Can't find | key

Sat, 24 Sep 2022 15:21:28 +0000

I'm trying to find a way to type a single vertical bar on my ti83+. If you go to the large font, it's hex code 7C and looks like this |. Please help if you know how to type this! Thanks

ti84

Tue, 12 Jul 2022 13:59:58 +0000

i request help with the list & programming on the ti84
calculator.
1. specifically, from a program, how can i graph only a
portion of a list?
2. from a program, how can i delete a single element
from a list?

thank you

TI-89 showing up in device manager but TI Connect can't find it

Sun, 10 Jul 2022 22:34:32 +0000

Basically the title. I'm using Windows 10. TI-89 is showing up in device manager under 'Universal Serial Bus Devices' as 'TI-GRAPH LINK USB'; it says 'This device is working properly' when clicked into along with its port and such. When I run TI Connect's Device Explorer, it can't find a thing ('Cannot establish a connection. Please verify the cable is connected properly and the communication settings are correct').

I've tried switching the port the calculator's plugged into, unplugging and replugging, turning off and back on, closing and reopening TI Connect, I've made sure the calculator is on and both ends of the cable are securely connected, all that. I've read through various threads here and on other sites and can't really find anything that helps - I saw a few threads that recommended ending the task - I couldn't find the task they mentioned (or re-find the thread just now, sorry) but have tried ending the task in Task Manager before going back and trying again; again no dice.

Really not sure what to try next, so any help would be appreciated!

How to upload

Thu, 02 Jun 2022 20:45:45 +0000

can i get a step-by-step way on how to upload files to my ti-84 plus? bc search is still not working at this moment.

How to restore Ram after memory wiped

Wed, 18 May 2022 21:12:51 +0000

I was fixing some mistakes in one of my programs, and all of a sudden my calculator screen goes blank, and seconds later it says my RAM is cleared. How do I fix this?

TI-nspire CX II (CAS) Texas Instruments Model Can't Use Tangent line???

Sat, 29 Jan 2022 02:02:19 +0000

So when I go to menu, 4 (Calculus), there's no ninth option for tangent line. There's just 1-6, the sixth option being numerical function maximum. Do I need a hardware or software update? Just bought mine through amazon today, please help!

errors

Mon, 18 Oct 2021 11:08:54 +0000

does anyone know when the "ERROR:UNKNOWN" message ever occurs?

How do I transfer TI games to my calculator without my cord

Tue, 28 Sep 2021 22:59:38 +0000

I'm wanting checkers on my calculator but it is compiled in a file and I only have access to a Chromebook. If anyone can help it would be a big help.

Calculator has weird static screen

Wed, 11 Aug 2021 14:22:21 +0000

It all started when I tried to delete an archived variable of large size. It was probably a system file. The calculator froze and displayed random ASCII characters on screen. Same characters popped up, even when turned off and turned back on.

When I put batteries in and press ON, static on screen. The same exact pattern of static appears when the calculator is turned off and on. None of the buttons work. The only way to turn it off is to take batteries out. I initially thought it was the batteries, but when I put brand new batteries in, it still happens. I tried to connect it to computer via USB Direct Cable, but the USB port does not recognize anything. I cannot go into the settings to reset it since the calculator is essentially bricked. I am not sure if I accidentally corrupted the calculator or not. I need your help, please.

Dead TI83?

Mon, 07 Jun 2021 10:39:20 +0000

Hey,
This is my first post on the forum but I've been lurking on the wiki since September, when I got my TI83.

Here's the deal then. After my maths teacher babied everyone into buying a Casio FX-991EX Classwiz at the start of the year (I'm from the UK, in Year 12 or the first year of Sixth Form/the end of high school), I knew there had to be a better thing on offer for less than the £34 the 991 cost. Plus, I already had an old 991ES Plus, but the LCD had pressure damage.

Knowing TI calculators were as cool as they are, I went looking on eBay and managed to score a 1996 TI83 for £27.50. All the controls are completely different from the Casios that rule the roost over here, but it was pretty intuitive and I got programming pretty quickly.

Sometimes though, before an exam, I had to reset it. Every time I've tried doing this, there's been a problem. I go into the memory menu and reset all, but instead of saying 'memory cleared' like I know they're supposed to say, the screen just gets wiped blank and it pretty much bricks itself, nothing when pressing the on button.

I managed to fix it once before by using the old 'yank a battery out and press clear' trick, but that didn't work this morning, no matter how hard I tried (I'm doing two exams today, thankfully the 991 is still alive) . But it kinda sucks. All the AAs have around 1.2V, the CR1620 has 2.9. I tried taking all the AAs out and leaving it for five minutes, and when I turned it on, it flashed a black screen for a fraction of a second, then died again. Unfortunately I wasn't lucky enough for it to be a contrast problem, because it doesn't look like it'll boot at all.

So I've got two questions for you guys - any idea what this is, and how would I go about fixing it? My best guess is the OS somehow got corrupted but it isn't a TI83+, so by my understanding, the OS is in the ROM and can't be messed with externally(?) I don't have a link cable, they're pretty scarce in the UK but even if I did, I'm not sure how I'd reflash it.

Thanks in advance for any suggestions.

the current transfer failed. a retry may be successful

Fri, 28 May 2021 16:28:58 +0000

Whenever I try to send any Program (MirageOs) Or any shell, this message keeps showing up and my calculator crashes and I have to take out the batteries to fix it! I have tried many methods like downloading new shells but nothing seems to work! I tried deleting all my programs that I coded by hand but that just made me lose a lot of hard work :(

Please let me know if you can help me!!
The message that it gives is this: "the current transfer failed. a retry may be successful (8C010000)"
I've been using TI-Connect and sending MirageOs and I tried Ion as well
If you help me it will mean so much to me!!

I have a Ti-84+

TI Connect won't recognize my TI-82 / Wabbitemu won't open files

Mon, 29 Mar 2021 11:18:24 +0000

Hello everybody,

I hope that's the right place to post my questions - otherwise sorry!

I decided to try some games (Robot War and Nárkemen) on a TI-82 Stats so I connected the device with my PC via TI Connect. The program won't recognize the calculator as a TI-82 but as a TI-83. As a consequence I'm not able to copy the files over as they are deemed "incompatible". Is there anything that can be done about that?

I also tried to start the games in Wabbitemu (with the ROM-file from TIRoms) but here I can't even open the file itself in the emulator (he gives me a "A problem with Wabbitemu prevented the file from getting sent").

I'm rather new in the fascinating world of calculator gaming and programming so I'm very grateful for every help. Thank you! :)

ti-83 errors

Thu, 28 Jan 2021 13:08:27 +0000

so last night i was messing with some variables and i got a "RAM FAIL" message. what does it mean?

Domain error when outputting a space (solved)

Sun, 20 Dec 2020 02:46:13 +0000

I'm writing my own version of pokemon on my calculator and I'm getting a domain error for no reason (i have posted the lbl that im getting the error under as the entire program is over 1000 lines). I would recommend copying the code and running it on your calculator to help figure out what's going on as its not very well organized. The error happens on line 52 when you select swap (in the menu), and try to switch two numbers (with enter and +) and Lteam has more than 10 numbers. There is also another error on line when trying to turn the page when Lteam has more than 10 numbers (with buttons ← and →)
(This was made for the ti84-CE on TI connect CE so some of the syntax might be a little different)

Lbl TS ClrHome Disp "SWAP? - 1 Disp "INFO? - 2 Disp "Quit? - 3 Input A If A=3 Goto GH If A=1 Then ClrHome 1→O For(O,1,6 Output(O,1,O Output(O,2,". End If dim(⌊TEAM)≤10 Then For(O,1,dim(⌊TEAM Output(O,3,⌊TEAM(O End Else For(O,1,10 Output(O,3,⌊TEAM(O End Output(10,6,">>" End 9→V 1→U 1→D 1→W 1→V 1→Q "Q is page number Output(W,4,"< While 1=1 getKey→P If P=34 1+W→W If W=min(dim(⌊TEAM),10)+1 1→W If P=25 W-1→W If W=0 min(dim(⌊TEAM),10→W If P=45 Goto GH If V≠W Then Output(W,4,"< Output(V,4," W→V End If P=26 and dim(⌊TEAM)>10Q Then Q+1→Q For(O,10(Q-1)+1,min(10Q,dim(⌊TEAM)) Output(O,3,⌊TEAM(O End End If P=24 and Q>1 Then Q-1→Q For(O,10(Q-1)+1,10Q Output(O,3,⌊TEAM(O) End End If P=105 Then V→S Output(V,5,"< End If P=95 Then ⌊TEAM(V)→T ⌊TEAM(S)→⌊TEAM(V) T→⌊TEAM(S) For(V,1,min(dim(⌊TEAM),10 Output(V,5," ") Output(V,3,⌊TEAM(V End End End End If A=2 Then 1→Q Goto IF End

TI-85 Troubles

Sun, 08 Nov 2020 17:59:05 +0000

I am trying to write the pong program on my TI-85, and it doesn't want to cooperate. It gets to the movement of the player piece, and it gives a SYNTAX error. I hit Goto and it scrolls to the part (Ans=34)-… and it hovers over the equals sign. I know that I have everything typed in correctly, but it keeps going to that spot. I tried getting rid of that line, and it goes to the equals sign on the next line with +(Y=1)-… I don't know why it is doing that. Perhaps it is too old for this complex logic? :) If you have any ideas, please let me know!

Thanks for reading!

CalcNerd

getKey Behavior and Mysteries

Thu, 22 Oct 2020 07:07:39 +0000

So, I was just messing around with the getKey variable to see if I could find any loopholes for measuring multiple key presses or measuring if the key is being held down. I came across some strange things and was wondering if anyone could explain to me why the Ti operating system acts this way.

So I started out with the most basic of programs to experiment on:

:Repeat G=105 :getKey -> G (-> is the store symbol) :Disp G :End

What I found was that if you press a key down and hold it, it does not measure it more than one time. (This was done on a Ti-83+ and a Ti-84+ SE) But, if you press the key down a few times at the same rate as it is displaying G, and then hold it down immediately, it will measure it every other time it displays. (Note, this can take a while to achieve if you don't have quick fingers.) What makes this happen internally?

The other observation I made was that with this program, if you press down a key and hold it, it will only measure it once. But, I made another program that uses output instead of disp to make a "O" move around the screen and output the key # in the corner. I found that when you hold the key down on this program, it measures it once, then measures 0, and then measures the key # for as long as the key is pressed. What makes this happen?

As a game designer who wants to get the best from Ti-Basic in his programs, These things interest me. Not only because I am fascinated by code and programming, but also because there may be potential loopholes for better control in my programs and games. If anyone knows enough about this subject to help, I would greatly appreciate it. I will continue experimenting and researching and post more updates here if there are any.

Thanks for reading!

Uploading program - help!

Thu, 08 Oct 2020 07:52:28 +0000

OK, so I read the Program Archives FAQ, and it said I could upload an 8xg, zip, 8xp, etc… file. However, I'm trying to upload a download and whenever I do it it says that tibasicdev.wikidot.com says "no". Is this because I'm using a Chromebook and not a Windows device, or what else could be the cause of the problem?
Thanks in advance,
Mathsman502

Can you edit an output after executing a program?

Fri, 11 Sep 2020 22:17:38 +0000

I want to create a shortcut for the hyperbolic functions (sinh, cosh, etc.) so I don't have to go into the catalog every time. I tried creating a program that displays "sinh(" but I can't actually edit it (seems like it executes before I can). Does anyone have an idea on how I can create a shortcut for these functions?

Program Question

Mon, 07 Sep 2020 22:05:42 +0000

Can anyone help me determine what the token error in this is? I was following a set of instructions to create a program that analyzes ambiguous triangle cases, but I cannot save the file as it says that I have a token error. This is my first time using the TI connect soltware, so I really have not idea what I am doing. If it helps, I do recall that at the bottom left of the connect program it says that I have a syntax at the inverse sine part of my program. Thanks for the help!

Here is the program

Input “ANGLE?”,S
Input "OPPOSITE SIDE?",A
Input "OTHER SIDE?",B
If A Then
Disp "NO SUCH TRIANGLE"
Else
sin(Bsin(S)/A)→T
180-S-T→R
Asin(R)/sin(S)→C
IfA≥BorA=Bsin(S)
Then
Disp "ONE TRIANGLE"
Disp "THIRD SIDE IS",C
Disp "OTHER ANGLES ARE",T,R
Else
180-T→M
180-S-M→N
Asin(N)/sin(S)→D
ClrHome
Disp "TWO TRIANGLES",""
Disp "PRESS ENTER NOW"
Disp "AND AFTER FIRST"
Disp "TRIANGLE ANSWER"
Pause
ClrHome
Disp "TRIANGLE ONE"
Disp "THIRD SIDE IS",C
Disp "OTHER ANGLES AREA",T,R
Pause
Disp "TRIANGLE TWO"
Disp "THIRD SIDE IS",D
Disp "OTHER ANGLES ARE",M,N
End
Return
__

TI-83 Clock

Wed, 24 Jun 2020 14:13:43 +0000

I am working on a clock program (Ti-83+) and can't get it to match an actual clock very well. I am using iPart( which could be the problem? This version of the code is roughly 12 seconds behind at 30 minutes and at an hour it is 8 seconds ahead. It does this consistently with the number that I am using right now. I am very open to anything that anyone might have!

Code:

:ClrHome :0→X :Prompt H,M // Hours and Minutes :ClrHome :Lbl 1 // I checked it for a memory leak and I think that it is ok :iPart(X/5.445809055→S // Number that I have come up with lots of testing :Output(4,7,": :Output(4,10,": :If H>12 :Output(4,5,H :If H<=12 :Then :Output(4,5,"0 :Output(4,6,H :End :If M>=10 :Output(4,8,M :If M<10 :Then :Output(4,8,"0 :Output(4,9,M :End :If S>=10 :Output(4,11,S :If S<10 :Then :Output(4,11,"0 :Output(4,12,S :End :If S=60 :Then :0→S :ClrHome :0→X :M+1→M :End :If M=60 :Then :0→X :0→M :0→S :H+1→H :End :If H>=24 :Then :1→H :0→M :0→S :ClrHome :End :X+1→X :Goto 1