Cemetech
@cemetech.net
Technology news, discussion, programming, and projects, for graphing calculators and every other hardware and software platform.
What do shells, roguelikes, 3D Github contribution visualization, text editors, and arcade games have in common? They're all featured in our September 2025 Projects of the Month: for graphing calculators and computers: www.cemetech.net/news/2025/11...
November 2, 2025 at 6:10 PM
What do shells, roguelikes, 3D Github contribution visualization, text editors, and arcade games have in common? They're all featured in our September 2025 Projects of the Month: for graphing calculators and computers: www.cemetech.net/news/2025/11...
We woke up just before September ends: our August 2025 Projects of the Month is live. Tetrises, RPGs, hardware projects, for graphing calculators and beyond: see what our creative hobbyists have been making, and vote for the best: www.cemetech.net/news/2025/9/...
Projects of the Month: August 2025 | News | Cemetech
www.cemetech.net
September 29, 2025 at 10:23 AM
We woke up just before September ends: our August 2025 Projects of the Month is live. Tetrises, RPGs, hardware projects, for graphing calculators and beyond: see what our creative hobbyists have been making, and vote for the best: www.cemetech.net/news/2025/9/...
Less than seven years late, Cemetech's calculator-hacking exhibits at World Maker Faire 2018 - and what the loss of the Faire in 2019 has meant for showing off DIY, making, and hacking, inside and outside the calculator community. www.cemetech.net/news/2025/7/...
July 5, 2025 at 5:13 AM
Less than seven years late, Cemetech's calculator-hacking exhibits at World Maker Faire 2018 - and what the loss of the Faire in 2019 has meant for showing off DIY, making, and hacking, inside and outside the calculator community. www.cemetech.net/news/2025/7/...
Our members were unusually busy in May, with 8 completed projects to vote on, and many others moving forward. Check out arcade and 3D calculator games, a Godot game, hardware projects, and yes, even a few math projects: www.cemetech.net/news/2025/7/...
July 1, 2025 at 4:34 AM
Our members were unusually busy in May, with 8 completed projects to vote on, and many others moving forward. Check out arcade and 3D calculator games, a Godot game, hardware projects, and yes, even a few math projects: www.cemetech.net/news/2025/7/...
Reposted by Cemetech
I've been writing 3D graphing programs for assorted graphing calculators since at least 2003. Now, after starting a 3D grapher for the TI-84 Plus CE and then pausing for eight years (coincidentally roughly the time since @geopipe.ai was founded), I've released it: www.cemetech.net/forum/viewto...
June 21, 2025 at 2:09 PM
I've been writing 3D graphing programs for assorted graphing calculators since at least 2003. Now, after starting a 3D grapher for the TI-84 Plus CE and then pausing for eight years (coincidentally roughly the time since @geopipe.ai was founded), I've released it: www.cemetech.net/forum/viewto...
What do a dithered puppy, row-major LCD graphics routines, and an update to a 29-year-old black-and-white arcade game have in common? They're all projects in Cemetech's April Projects of the Month update: www.cemetech.net/news/2025/5/...
May 22, 2025 at 2:14 PM
What do a dithered puppy, row-major LCD graphics routines, and an update to a 29-year-old black-and-white arcade game have in common? They're all projects in Cemetech's April Projects of the Month update: www.cemetech.net/news/2025/5/...
Better late than never: March 2025's hobby STEM projects on Cemetech covered the usual gamut, from games to an emulator to a MIDI player. Check them out, and vote for the best! www.cemetech.net/news/2025/5/...
May 2, 2025 at 12:31 AM
Better late than never: March 2025's hobby STEM projects on Cemetech covered the usual gamut, from games to an emulator to a MIDI player. Check them out, and vote for the best! www.cemetech.net/news/2025/5/...
Your mission, should you choose to accept it: vote for your favorite Cemetech graphing calculator software project of 2024: www.cemetech.net/news/2025/1/... . You have plenty of options, including games, programming tools, math apps, and shells.
January 26, 2025 at 4:16 PM
Your mission, should you choose to accept it: vote for your favorite Cemetech graphing calculator software project of 2024: www.cemetech.net/news/2025/1/... . You have plenty of options, including games, programming tools, math apps, and shells.
2024 ended strong: Cemetechians worked on calculator, computer, and hardware projects in December 2024, from an on-calculator ez80 ASM IDE to math and 3D graphing tools to a TI-84 Plus-turned-art. See them all and vote for your favorite: www.cemetech.net/news/2025/1/...
January 6, 2025 at 3:46 PM
2024 ended strong: Cemetechians worked on calculator, computer, and hardware projects in December 2024, from an on-calculator ez80 ASM IDE to math and 3D graphing tools to a TI-84 Plus-turned-art. See them all and vote for your favorite: www.cemetech.net/news/2025/1/...
Any image we upload to a Bluesky post from Firefox seems to turn fully black, whether JPG or PNG. Any workarounds/is this a known issue?
January 4, 2025 at 3:33 PM
Any image we upload to a Bluesky post from Firefox seems to turn fully black, whether JPG or PNG. Any workarounds/is this a known issue?
If you feel like we just posted a Projects of the Month, you're not wrong - but Cemetech's news editors were efficient with November 2024. Projects included games, math tools, a physics simulation, and even a shockingly powerful 3D renderer. November's projects: www.cemetech.net/news/2024/12...
December 7, 2024 at 10:20 PM
If you feel like we just posted a Projects of the Month, you're not wrong - but Cemetech's news editors were efficient with November 2024. Projects included games, math tools, a physics simulation, and even a shockingly powerful 3D renderer. November's projects: www.cemetech.net/news/2024/12...
Another month, another Projects of the Month! Cemetechians worked on games (arcade games, RPG games, Cookie Clicker), hardware projects, a hex editor, a 3D grapher, and more in October: www.cemetech.net/news/2024/11... #z80 #ez80 #diy #hacking
November 27, 2024 at 8:21 PM
Another month, another Projects of the Month! Cemetechians worked on games (arcade games, RPG games, Cookie Clicker), hardware projects, a hex editor, a 3D grapher, and more in October: www.cemetech.net/news/2024/11... #z80 #ez80 #diy #hacking
Cemetech's Minecraft 1.21+ survival server will be launching tomorrow, October 12th, at mc.cemetech.net. Come explore and build bases, cities, and machines with Cemetech! www.cemetech.net/news/2024/10...
October 11, 2024 at 2:09 PM
Cemetech's Minecraft 1.21+ survival server will be launching tomorrow, October 12th, at mc.cemetech.net. Come explore and build bases, cities, and machines with Cemetech! www.cemetech.net/news/2024/10...
Do you need three sprite/icon editors, an ez80 assembly IDE, Sonic 2, or OCaml on your graphing calculator? These and many other projects are in Cemetech's September Projects of the Month: www.cemetech.net/news/2024/10...
October 3, 2024 at 3:59 PM
Do you need three sprite/icon editors, an ez80 assembly IDE, Sonic 2, or OCaml on your graphing calculator? These and many other projects are in Cemetech's September Projects of the Month: www.cemetech.net/news/2024/10...
The Casio fx-CG100 has been announced by Casio Education. Now part of the ClassWiz line, it's sleeker, but early reports suggest Casio BASIC and C programmability may have been removed. More when we get hands-on: www.cemetech.net/news/2024/9/... #edtech
September 28, 2024 at 2:31 PM
The Casio fx-CG100 has been announced by Casio Education. Now part of the ClassWiz line, it's sleeker, but early reports suggest Casio BASIC and C programmability may have been removed. More when we get hands-on: www.cemetech.net/news/2024/9/... #edtech
Did you see what Cemetech's members made in August? From a base converter to a calculator-themed arcade fighting game, sidescrollers to an icon editor, programming references to train simulation rigs, see 'em all here: www.cemetech.net/news/2024/9/...
September 6, 2024 at 2:50 PM
Did you see what Cemetech's members made in August? From a base converter to a calculator-themed arcade fighting game, sidescrollers to an icon editor, programming references to train simulation rigs, see 'em all here: www.cemetech.net/news/2024/9/...
Another Projects of the Month: Cemetech's programmers worked on impressive graphing calculator and computer software in July. Check 'em out: www.cemetech.net/news/2024/8/...
August 16, 2024 at 7:17 PM
Another Projects of the Month: Cemetech's programmers worked on impressive graphing calculator and computer software in July. Check 'em out: www.cemetech.net/news/2024/8/...
Think you're a TI-BASIC expert? Cemetech admin iPhoenix has posted a TI-BASIC brain-teaser you can solve with some out-of-the-box thinking on how the TI-BASIC parser works: www.cemetech.net/forum/viewto...
TI-BASIC Control Flow Puzzle - Cemetech | Forum | TI-BASIC [Topic]
www.cemetech.net
August 7, 2024 at 9:50 PM
Think you're a TI-BASIC expert? Cemetech admin iPhoenix has posted a TI-BASIC brain-teaser you can solve with some out-of-the-box thinking on how the TI-BASIC parser works: www.cemetech.net/forum/viewto...
Reposted by Cemetech
It has been two years since I last posted one of these: if you (or your kid) needs a graphing calculator this year, here's what I recommend: www.youtube.com/watch?v=E_wa... #calculator #backtoschool #edtech
BEST and WORST Graphing Calculators: Back to School 2024 Guide
What graphing calculator should you buy for school? A TI-84 Plus CE, TI-Nspire CX, HP Prime, Casio Prizm, or something else? Whether you're a parent or stude...
www.youtube.com
August 3, 2024 at 8:36 PM
It has been two years since I last posted one of these: if you (or your kid) needs a graphing calculator this year, here's what I recommend: www.youtube.com/watch?v=E_wa... #calculator #backtoschool #edtech
Cemetech's members created games, utilities, hardware projects, and more this June! From a solar-powered TI-84 Plus to Quantum chess and Minesweeper for the TI-84 Plus CE, check out their creations: www.cemetech.net/news/2024/7/...
July 9, 2024 at 9:51 PM
Cemetech's members created games, utilities, hardware projects, and more this June! From a solar-powered TI-84 Plus to Quantum chess and Minesweeper for the TI-84 Plus CE, check out their creations: www.cemetech.net/news/2024/7/...
Reposted by Cemetech
Another month, another Projects of the Month. Check out the #games, shells, libraries, and hardware projects for graphing calculators (and beyond) that Cemetechians worked on in April 2024: www.cemetech.net/news/2024/5/... #edtech
May 7, 2024 at 1:39 PM
Another month, another Projects of the Month. Check out the #games, shells, libraries, and hardware projects for graphing calculators (and beyond) that Cemetechians worked on in April 2024: www.cemetech.net/news/2024/5/... #edtech
Have you seen that Zilog is discontinuing the venerable #z80 CPU? The ez80 and friends will still be around, but the CPU that spawned countless computers (and graphing calculators) will no longer be made. hackaday.com/2024/04/19/e...
End-Of-Life For Z80 CPU And Peripherals Announced
In a Product Change Notification (PCN) published on April 15, Zilog (now owned by Littelfuse) announced the End of Life for a range of Z80 products, specifically virtually all of the Z84C00 range. …
hackaday.com
April 22, 2024 at 3:01 PM
Have you seen that Zilog is discontinuing the venerable #z80 CPU? The ez80 and friends will still be around, but the CPU that spawned countless computers (and graphing calculators) will no longer be made. hackaday.com/2024/04/19/e...
And finally, the Projects of the Year 2023! Cemetechians loved Celtic CE, a port of the library that lets TI-BASIC programmers do more, plus an audio/video player for the monochrome calculators and the addicting Wordle spinoff "Topicle": www.cemetech.net/news/2024/1/...
January 18, 2024 at 5:27 PM
And finally, the Projects of the Year 2023! Cemetechians loved Celtic CE, a port of the library that lets TI-BASIC programmers do more, plus an audio/video player for the monochrome calculators and the addicting Wordle spinoff "Topicle": www.cemetech.net/news/2024/1/...
The votes are in! CEaShell won our Project of the Year 2022, followed closely by AnotherWorldCE and S.A.M.M. - A Metroid-vania for TI-84 Plus CE. www.cemetech.net/news/2024/1/...
January 15, 2024 at 4:50 PM
The votes are in! CEaShell won our Project of the Year 2022, followed closely by AnotherWorldCE and S.A.M.M. - A Metroid-vania for TI-84 Plus CE. www.cemetech.net/news/2024/1/...