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  1. neofetch68k v1.0

    neofetch68k is a Neofetch clone for TI calculators that run the Advanced Mathematics Software OS.

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  2. Radioactive Wastes v2.00

    Clear the area of radioactive waste by controlling a remotely operated bulldozer.
    Logic game with colorful smooth animations, featuring 30 levels.

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  3. ExplorerEH V1.1

    So, you've found Emerald Hill. What you do there is for you to decide. This is a text adventure game done in TI-BASIC. It is compatible with MirageOS and DoorsCS. (This was my first ever calculator game, and as is to be expected is quite simple)

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  4. math game

    get better at doing math in your head.
    you can test your addition subtraction multiplication and division skills.

    not the most beautiful UI but it works and keeps it a small program.

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  5. getfree 1.0

    getfree is a very simple AMS BASIC function that returns the total amount of free RAM and Archive (Flash) space, in bytes, as a list. Compatible with all TI-68k calculators that have Flash memory.

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  6. padstr 1.0

    padstr is a very simple BASIC function that pads/truncates strings.

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  7. Rainbow Road (Oiram levels)

    Four custom levels, including a Rainbow-themed one, for use with Oiram for the TI-84 Plus CE or Casio fx-CG10/20/50/G90E

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  8. oliens's Mini Picross 1.0

    This is a simple Picross game for the TI-83+ and TI-84+ family of calculators. Played on the home screen, this game is easy to understand and play; it'll work on just about any calculator from the aforementioned calc families.
    Try your hand at Picross, a puzzle game where you have to make images out of the hints given to you at the edge of the board!

    With three different puzzle difficulties, you'll be sure to have your head scratching (although that might just be from bad puzzle design... :P).

    This game is entirely my own work.

    --Notes--

    It's recommended you use the appropriate version of Doors for your device to enable archived program use, as this program is quite large and can easily overwhelm your RAM if you already have many programs.

    I hope to compress the file in the future, as well as add more puzzles.

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  9. Sprite Creator for TI 84 Plus CE

    With this sprite creator you can creator colorful app icons for you TI 84 Plus CE apps in Cesium or CEaShell.
    Select a color with the slider and click the pixel you want to change. To change the background you can select a backround color and press the spacebar.

    Inspiration taken from Merthsoft.
    Only supports HEX as seen in Merthsofts binsprite.html (0-F)

    The project is accesible through the link or downloadable. Link:
    https://scratch.mit.edu/projects/1152156821/

    Everything is open source and remixable.

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  10. oliens's Miscellaneous Programs 1.1

    A collection of homescreen novelties, utilities, game and more to play around with and enjoy. Test out simple math algorithms such as the Fibonacci sequence or the Collatz conjecture, play around with Parrot or the Guessing game, or even use the quadratic formula solver in the real world! All coded on-calculator, mostly as a practice in programming.

    Have fun!

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  11. scrcap 1.0

    scrcap is a program that lets the user take screenshots of most of the AMS interface on the TI-89/Titanium without having to connect to a computer. This package also includes picview, a full-screen picture viewing program.

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  12. Area/Perimeter Finder for the TI-84 Plus CE/CSE - Version 1.0

    AREA is a program which will find the Area and Perimeter of any supported shapes.
    As of now, this program supports:
    ____Squares
    ____Rectangles
    ____Triangles
    ____Circles
    ____Trapezoids

    If you want me to add support for a shape or to fix a bug, you can say so in the reviews.

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  13. RPG Starter Kit CE Edition

    RPG Starter Kit is meant to help aspiring programmers by having a BASIC template to build RPG style games with a moving character. If you find this project useful to that end, I would appreciate at least a note in your documentation that you used this project.

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  14. Powers' Game

    A little game made to test your memory and calculation of perfect squares and cubes. I will be happy to hear about any bugs you find or feedback you have!

    High Scores in SQUARES mode:
    1. sirdudeman - 64
    2. TortillaMan - 45

    High Scores in CUBES mode:
    1. sirdudeman - 18

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  15. Axe Tunnel Collection (2010)

    A pack of 4 Tunnel clones made in Axe Parser in 2010. One is monochrome, two are 3 and 4 levels of grayscale with RickRoll lyrics in the background and the other is a game where you must eat lobsters falling down from the sky to stay alive.

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  16. Journey in Odessia 2.0

    This is a turn-based JRPG (Japanese style RPG) similar to breath of fire and pokemon for the Gameboy. Enter a unique world, fighting monsters, gaining exp and gold, rescuing a princess, and collecting rare gems. This has been tested on the TI Nspire CX CAS II model, but should theoretically work on any device with a 320 x 240 resolution screen . It may be slower on non CX CAS II devices, but it should theoretically still work on other devices. NOTE: YOU SHOULD PROBABLY VIEW THE HELP SCREEN BY PRESSING "h" AT THE MAIN MENU

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  17. demosCEne

    demosCEne is a demo for the TI-84 Plus CE. It was released at the Revision 2025 demoscene event in the Wild competition.

    This demo is best experienced on a hardware revision M or newer calculator due to the speed improvements made with this revision. Older revision calculators will work, but the demo will run slower.

    Python edition calculators should work, but I do not own one to test with, so I cannot 100% guarantee it.

    Installation Instructions:

    Use TI Connect CE to transfer files. Make sure you transfer all files to the Archive, not the RAM.
    1. Transfer the CE C Libraries to your calculator: https://tiny.cc/clibs
    2. Transfer all AppVars in the `appvar/` folder
    3. Transfer all programs (files ending in .8xp)

    Before running the demo, unplug the USB cable from the calculator, then press [2nd] [+] [7] [1] [2] to clear the RAM. Then run the program called DEMOSCEN to start the demo.

    Enjoy!

    This demo was developed using the CE C Toolchain, available here: https://github.com/CE-Programming/toolchain . See documentation here: https://ce-programming.github.io/toolchain/ .

    This demo parses original scene data by Leonard/Oxygene. Used with permission. Special thanks to Heaven6502 for helping me find a copy of the data file.

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  18. Memory Challenge v1.0

    Memory Challenge game for Casio fx-cg. Memorize the flashing pattern and see how far you can go. You can adjust the speed and board size.

    Downloading is easy- just copy the MEMORY.g3m file to the PROGRAM folder in @MainMem. Then you can access the game from the 'program' tab on your calculator. Read the instructions file if you still need help.

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  19. Snake

    It's minimum viable snake. D-pad to move, menu to exit

    Works on my fx-CG50, should work on 10/20 but I haven't tested

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  20. Useful Casio programs

    A couple of useful programs for Casio fx-cg (prizm) I wrote for myself and figured I'll share.

    'Getkey' shows a live map of the getkey values of all the keys.

    'Clear' clears your lists, matrices, and strings for you.

    They aren't add-ins, they have to be copied to the program folder in @MainMem, and accessed from the program tab on the calc. See the README if you need help.

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  21. INTRUDE CE

    The full game is out!
    This is my first completed project, and although Gemini helped me make the code, a lot of the input and tweaking was my own.
    I've had several people test this version, so it's pretty much bugless besides one bug I couldn't fix.
    When you get to the start menu, the start button is hidden unless your hovering over it, just click the down arrow once and than 2nd.

    CONTROLS
    2nd to Select
    Alpha to go back
    1,2,3,4,5 to select security menu's
    I RECCOMEND USING NUMBER KEYS WHEN POSSIBLE, IT'S A LOT FASTER.

    PREMISE:
    Survive 5 nights in your house fending off intruder's, (don't let them get to the office!)

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  22. XWiki (v7/25)

    Wikipedia comes to your calculator!
    ...well, at least partly.

    XWiki is a lightweight knowledge source for the TI-Nspire, featuring short summaries of the 1000 most essential articles in English Wikipedia - and a few extras.

    The app is fully open-source (everything's on GitHub) and comes with detailed documentation.
    So you can customize the UI, add your own articles using Python and modify anything you'd like. If you do so please just mention this project.

    If you have any questions, suggestions, or would like to contribute, you can check out the GitHub repository or reach out to me anytime :)

    [This project used 'Better Lua Api' by adriweb + contributors and Luna by Vogtinator + contributors.]

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  23. CalcStronaut

    CalcStronaut is a game written in TI-BASIC in which you are in a spaceship and dodge asteroids that are coming at you.

    Every time an asteroid passes you, you get a point.

    Your score at the end will be the amount of points you collected times the difficulty multiplier.

    You type in the difficulty multiplier (must be a natural #)

    The difficulty multiplier is also how fast asteroids come at you.

    Once you reach a certain # of points, you will see an easter egg and beat the game!

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  24. Desert Bus II: I Am a Tree (2016)

    A sequel to the Sega CD/Mega-CD game Desert Bus. The original game was bundled with the cancelled Penn & Teller's Smoke and Mirrors game and you had to drive a bus from Tucson to Las Vegas in 8 hours, requiring constant attention. In this sequel, your bus crashes into a tree and you must wait 8 hours for the towing truck company to arrive, while not dying of dehydration in the desert heat. Requires Sprites 3.3 library, by grosged. A grayscale TI-83 Plus version is also available from JWinslow23

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  25. Asteroids v1.1

    Asteroids for the Casio fx-CG50. Should work on CG10/20 (ideally with overclocking) but I don't have either to test with. Try to get a high score!

    V1.1 changelog:
    MOAR FRAMES! Thanks to memory shenanigans and fixed point numbers, it's able to achive ~55fps with trails on. Mutch better than the ~30fps of v1.0

    Better asteroid and player shapes

    Much longer trails/CRT phosphor delay simulation (adjutable)

    Help provided by Lephenixnoir:
    https://www.planet-casio.com/Fr/forums/topic16817-2-tlt-rpg-magique-et-un-moteur-de-jeurendu-experimental-azur.html#200780

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  26. CE Textlib Rectangle Maker v0.01a (2016)

    This program (which only runs on the TI-84 Plus CE and TI-83 Premium CE, not the TI-84 Plus C Silver Edition) is very simple: It lets you find coordinates, dimensions and color codes for your CE Textlib rectangles. Normally, CE Textlib display rectangles that are a multiple of 12x20 pixels in size on a grid of 26x10 blocks, but displaying rectangles of other sizes is possible too and can be handy for game graphics.Because of how CE Textlib works when used in such hackish ways, the coordinates can get very weird so this program can be handy to find the values you want and/or as a reference. You need CE Textlib by DrDnar to run it, which can be found at http://www.ticalc.org/archives/files/fileinfo/465/46522.html

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  27. Geometry Formula Pack (Missing endpoint, Distance formula, Midpoint formula)

    *UPDATE 2.0*
    Added a way to exit the program for calculators that can't exit programs.
    Fixed an issue with the missing endpoint code using the wrong variables (sorry if anyone had a problem with that)

    A collection of codes made in python that will automatically solve goemetry problems for you. There is currently: Find the midpoint of a line segment, Find a missing endpoint and Distance formula (distance between two points). Just unzip the programs, put them anywhere in the calculators storage (I reccomend making a folder for it) and open it in the python app on your calculator.

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  28. Overhang CE

    Calculates how far a vehicle’s overhang sweeps outward — or “kicks out” — laterally when the vehicle turns at a given angle. User inputs vehicle's rear overhang length, distance cleared/from curb, and angle of the turn.

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  29. Leaf Editor 0.9

    A new text editor for the TI-84 Plus CE and TI-83 Premium CE calculator that introduces new features with the power of Celtic CE, such as color text, custom token insertion, calculator linking, and more. Introduces new seasonal themes of Spring, Summer, Fall, and Winter that can be toggled or to match the current season in your region (north hemisphere as of now). This version (`0.9') is not fully complete yet, expect bugs.

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  30. Mystique: La larme du Dragon (2002)

    This is one of my older RPGs that isn't part of any other series I made and it's only in French. However, if you know French, the gameplay is very similar in style to the late Illusiat games, so if you liked Illusiat series, then you should enjoy this game too. The story for the first two chapters, as well as the names, are from WHX Productions, but since the guy quit halfway through development I continued the rest alone afterward.

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  31. MIDI Player CE

    Named best completed Cemetech Project of the Month for March 2025.

    As part of my work on my Attack of the PETSCII Robots port to the TI-84 Plus CE, I have created a MIDI player program based on my MIDI library and a new MIDI file parser that I wrote. The goal is to integrate this into PETSCII Robots CE to allow for a fully-orchestrated soundtrack!

    Inside the zip file (linked below) there is a README showing you how to convert your own MIDI files for the player program. Most MIDI files are supported, as long as they have 32 tracks or less and are less than 64 KB.

    To hear sound, you can connect the calculator using the USB cable to any USB-MIDI host, such as a computer, mobile phone, or synthesizer, to hear audio. Connect to the USB-MIDI host and launch any required software (e.g. a DAW) before starting the program.

    Enjoy! And please feel free to share your feedback and ideas in the thread: https://www.cemetech.net/forum/viewtopic.php?t=20293

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  32. QR Code Generator

    A QR Code generator written entirely in TI-BASIC!

    Str1 is encoded into a byte-mode, error-corrected QR code, from the smallest 17-byte code (generated in as little as 30 seconds) up to 321 bytes, the largest that will fit on the monochrome's screen.

    The README and annotated program source file go through all the steps of data encoding, calculating Reed-Solomon ECC, and drawing the QR Code.

    Runs on all 83+/84+ calculators, color or monochrome.
    Clears the graphscreen. May modify Str1.
    No other variables are modified. Requires 7k of RAM.

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  33. BLOXORZ, a Block-Rolling Puzzle

    A re-make of BLOXORZ, a Flash game from 2007 by Damien Clarke, for the TI-83+/84+/SE in pure TI-BASIC.

    Manipulate the block to roll into the dark hole. There are switches, bridges, and other logical traps to fall into.

    README.txt and the START NEW GAME splash screen contain instructions. 20 of the 33 stages of the original BLOXORZ game have been implemented. Progress is saved automatically in list BLX.

    Tested on the 83+SE and 84+SE. Should work on the 83+ and 84+, but untested. "Playable" on the CSE and CE, but it looks really really bad.

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  34. Advanced Encryption Standard 128-bit (AES128)

    This program performs the forward and reverse encryption of the AES128 algorithm. It's not particularly useful for actual encryption since it takes a long time (5-10 minutes per 128 bits), but it demonstrates the ability of the TI-83/84+ family of being able to perform these complex algorithms using the TI-Basic language. I did my best to optimize for both speed and memory. More information on the algorithm can be found here: https://en.wikipedia.org/wiki/Advanced_Encryption_Standard

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  35. DENSITY.8xp - Simple Density Calculator with simple chemistry functions. (fixed)

    README

    Hi Cemetech, this is my first upload. This program was written by me in TI-BASIC, and it can work with the TI-84+ line of calculators. I may try to make it compatible with TI-83 later. It can be used to help with calculations in chemistry around Mass, Volume, and Density and % Error. It has a simple menu, and can calculate the following with simple Prompt functions:

    - Density (Finding the density of something by calculating through Mass/Volume)
    - Mass (Finding the mass of something by calculating through Mass/Density)
    - Volume (Finding the volume of something by calculating through Mass/Density)
    - Finding Volume through the Initial Volume and Final Volume
    - % Error (Finding the difference between your experimental value and the accepted value

    Navigating through this program is simple, you can press the number corresponding to the option in the menu, and use the option to calculate something. After your calculation is finished, it will say "press enter" and you will then be sent back to the main menu after pressing ENTER.

    I use it for chemistry class, but I highly advise that people who use this, will still study the equations, and not completely lean on this program for the answers. It is supposed to help with getting work done faster, but it should not be used to do everything for you. It helps me in finding the mass, volume, or density of something after measuring its mass or final/initial volume (which would then give me a volume of the thing I am measuring).

    Update:
    Fixed a calculation error I made. It used to be division, but it was actually multiplication for finding Mass and Volume through density with mass/volume. Sorry for the mistake.

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  36. Algebra 2 Statistics

    This program takes list L1 and gets various information from it (e.g. mean, median, mode, range, IQR, outliers, etc). Great for Algebra 2.

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  37. TI-Fetch84+ V0.1

    I was searching for a neofetch-like program for the TI-84+ and couldn't find anything, so I rolled up my sleeves and created my own.
    At the current stage, it simply displays the information I wrote, doesn't detect anything, and doesn't display a logo; instead, it shows plain text.
    I wanna make it better and I will, just need some time and learn how to use TI-BASIC or even Assembly

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  38. Wordscapes CE

    v1.1

    This is a port of wordscapes for the TI-84 Plus CE. A game where you select letters on the D-Pad (letter wheel) to form words and complete the crossword.

    Needs C libraries and arTIfiCE for OS versions >= 5.5.5, .8xp file can be found in the bin folder. Instructions are found in the README

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  39. Darius, the Anti-Boredom TI Bot!

    Are you bored? Looking for a friend? Want some quick and easy fun with a robotic second player?

    Then Darius is here for you! He can do 10 whole things! He has jokes! He has easter eggs! He has a charming personality! And he's also 14Kb wow.

    Have fun finding all of the possible outcomes and messages he has! The perfect time-killer! And he is yours for free! And as for all my projects, it was entirely coded in native TI-Basic on my calculator.

    He eagerly awaits a new user. Download today and stop being bored!

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  40. BOOMTANK for the TI-84+

    After about a week of very hard work, I present BOOMTANK.
    The objective is simple: OBLITERATE the enemy. Take aim and fire, but watch the power meter above you, as it can make all the difference!
    Explode the other tank three times to win. You'll find yourself developing a strategy to maneuver your missile across the randomly-generated terrain. Here's a hint: 45 degrees!
    With 21 randomized death messages, you'll keep coming back for more EXPLOSIVE action.
    So DOWNLOAD this game and PLAY it! You shan't regret.

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  41. Stopping Distance 83

    A program to calculate safe stopping distance given velocity, reaction time, friction (0.7 standard dry, 0.35 wet) and road grade. Displays distance travelled during reaction, in brake application and total travelled.

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  42. Data Encryption Standard (DES)

    This program performs the forward and reverse encryption of the DES algorithm. It's not particularly useful for actual encryption since it takes a long time (~5 minutes per 64 bits), but it demonstrates the ability of the TI-83/84+ family of being able to perform these complex algorithms using the TI-Basic language. I did my best to optimize for both speed and memory. More information on the algorithm can be found here: https://en.wikipedia.org/wiki/Data_Encryption_Standard

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  43. GTime 83

    A program to calculate deceleration, g-force and distance given speed and braking time from the user.

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  44. ELDROW, a WORDLE clone

    ELDROW is the smallest (13498 bytes) 5-letter guessing game in the Archives, and the only one compatible with Monochrome and Color TI-83/84-series calculators (including the 83 non-plus, memory permitting).

    There are 2331 randomly selected unique words waiting to be guessed!

    6 guesses, 5 letters, and hints of -, +, and = indicating not present, wrong location, and correct letter.

    Used letters are tracked on the right-hand side for reference. The game does not check that guesses are valid words.

    README.txt lays out the controls, the logic, and there is an annotated source code for learning the algorithms behind the gameplay.

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  45. CEType

    Minimalistic, customizable typing drill for practicing and improving typing speed

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  46. FF:MF Save Editor 3 Beta

    After many moons of procrastination, I have finally finished this! Introducing the third and refreshed version of the save editor for First Fantasy: Mana Force, this edition uses Celtic CE to refresh the user interface and give users a better experience. Original game files are by DJ Omnimaga.

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  47. Position 83

    A program to calculate cartesian position on a plane given angle and distance. Shows little arrows on the side for relative position.

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  48. Kickout 83

    Calculates the kickout of a vehicle with an overhang given the overhang, distance from curb/danger and turn in degrees.

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  49. GDist 83

    A program to calculate deceleration, g-force and time given speed and braking distance from the user.

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  50. CPA 83

    A program to calculate the closest-point-of-approach between two vessels at sea. Assumes constant course and speed for both vessels.

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File statistics are updated periodically, so numbers shown in this listing may not agree exactly with those shown on individual files.

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