overclock your calculator

ti graphing calculator

here’s a link from maurizio that has instructions for overclocking your favorite ti graphing calculator.  a simple swap of a capacitor and you can get your homework finished double speed.  add a switch and you can convert back to normal speed for playing games.


  1. BILL says:

    this works, but I just removed the cap alltogether. No side effects except it was faster.

    Of course I never even came close to using the full capacity of the calculator, but I could add and subtract at lightspeed!

    Tetris was tough though.


  2. john gilman says:

    This has been something fun to do in the TI Calc community since at least 1998.

    Heads up, though- battery life will dramatically suffer if you’re overclocking (duh!). Be sure to keep a spare set if you overclock your TI and then sit for the SAT or you may find that Very Bad Things ™ will happen.

  3. Joel Johnson says:

    :'( Dang, there is nothing about my HP48GX!!!

  4. here you go joel. let us know how it works out.


  5. Greg says:

    Awesome hack. Thanks. Truly geeky.

  6. Bacon says:

    Yep, this is truely an old hack. Getting the soldering right and getting the switch to fit were a little troublesome, but, given that I was working with a ham-fisted soldering iron and I was just barely a teenager at the time, well, it worked out quite well. It made ‘Marble’ truely interesting on the TI85.

  7. Tom says:

    Did this to my TI-83, worked okay for some things. Actually it wasn’t my TI, it was my high school’s. :) Anyway it worked, but I got some distortion on the screen when it was on. My HS math teacher hated me for installing games on everybody’s calculator.

  8. joel finkbeiner says:

    will this work similarily and safely on a ti-83?

  9. Andrew says:

    unforunately…this can make a bad calculator. I had one melt the processor when I overclocked it. It ran awesome…then died.

  10. chris says:

    can it work for a ti-83+ ?

  11. Vedaprrabhu says:


  12. Vedaprrabhu says:


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