Cemetech
@cemetech.net
Technology news, discussion, programming, and projects, for graphing calculators and every other hardware and software platform.
Arcade games galore, and more: Projects of the Month for October 2025 is here, with calculator and computer games (and beyond): www.cemetech.net/news/2025/11...
November 29, 2025 at 4:21 PM
Arcade games galore, and more: Projects of the Month for October 2025 is here, with calculator and computer games (and beyond): www.cemetech.net/news/2025/11...
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/...