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Community Crafted Calculators
Published by Alex on December 20, 2014 at 2:29:44 PM CST | Discuss this article (6)

We have some exciting hardware developments from our members. A few of our members either have, or are in the process of, creating their own calculators. These calculators range from emulated TI models or calculators inside TI cases, to completely new calculator models and operating systems.

Member Muessigb is working on a RaspberryPI calculator which emulates the TI-84 Plus. The project started when his original TI-84 Plus died: he had a Raspberry Pi and thought he could emulate it with the Pi while still using the calculator's shell.

Then we have PiCaso created by PiCaso. Similar to Muessigb, PiCaso has stuck a Raspberry Pi into a Casio fx-83 ES. PiCaso is built from Wolfram Alpha's Mathmatica software(Link for rPi Version). It runs faster than the Casio but admittedly, and perhaps obviously, slower than the desktop version. The calc uses an e-Ink screen for the low power consumption and because it's cool. Seriously.

There's also a new user on our forums, hynek, who has created a replica of the TI-86. Hynek's main goal was to learn and understand STMicroelectronics' STM32F4 multipoint control unit, or MCU, which is based on ARMs' Cortex-M4. His replica is a complete, functioning copy of the TI-86, can run the original calculator's operating system, and can even run programs for the original TI-86. It seems he has learned a lot from his project and has since carried on to bigger tasks, hopefully utilizing his new knowledge of the MCU as best as possible. He put a lot of research into this, from learning stuff about the TI-58 from ROM dumps to properly managing power consumption. He chose the TI-86 as he required its functions for his day-to-day calculations.

While this next project doesn't have a topic on Cemetech it is certainly notable. The ArithMax is being developed inside a Casio shell. The software runs on a Cortex-M4, similar to hyneks' TI-86 replica above. It seems the developers are creating a new type of calculator. It has an SD card slot and a slew of other nifty features including Ethernet capabilities (but no RJ45 port due to the size of the connector). For more updated info on this project check out TI-Planet(Translated), check out the source (Translated), this page and of course the source link to the post here at Cemetech. We have reached out to the ArithMax authors and hope they'll find time to swing by to tell us more about this impressive project.

Even our very own KermMartian has a "TI-87" in development. While TI never created a TI-87 calculator (as far as we know), it's instead a name coined by Kerm for his Odroid-W Development board based TI emulator. The plans for the project are to fit this into a TI calculator shell, which seems to be a TI-83+SE, and to support the emulation of multiple TI calculator families: from the TI-73 to the recent TI-84 C SE, with future plans to hopefully support the 85 & 86 (I think we see where the TI-87 came from now!). As far as emulation goes, he plans to use jsTIfied but if it runs too slow then he'll use TILEm(2?). We have yet to hear back on what works best for his project but there's plenty of other updates and details to keep us interested in the meantime.

Though it's amended on to the PiCaso topic, LibreCalc is worth mentioning here. Running a look-a-like TI-82 OS, it sports 128MB of RAM - wow! The LibreCalc project was recently mentioned on Hackaday; as the name implies, it combines completely open-source hardware and software into a free-as-in-speech graphing calculator. The plans and specs for everything from the OS to the PCB to the 3D-printed case and keys are freely available, and we salute the creators for their hard work. As with the ArithMax project, we hope to be able to bring you more updates directly from the creators soon.

If you wish to follow up on any of these projects please follow the bolded links to the proper topics. Ask questions or just read up on the previous discussions.

From Left to Right: TI-86, PiCaso, LibreCalc

2014 Articles
January 2014 January 2014 [Back to News Archives Index]

» ticalc.org 2013 POTY Winners Announced published January 5, 2014 by KermMartian
» SourceCoder 3 Nears Completion published January 20, 2014 by KermMartian
» "Building a Virtual City from the Real World" published January 30, 2014 by KermMartian

February 2014 February 2014 [Back to News Archives Index]

» GPS for Graphing Calculators published February 4, 2014 by KermMartian
» Balyta to Head TI Education published February 10, 2014 by KermMartian
» Flappy Bird Color: An Homage published February 13, 2014 by KermMartian
» jsTIfied TI Calculator Emulator Accelerates published February 23, 2014 by KermMartian

March 2014 March 2014 [Back to News Archives Index]

» TI Releases OS 4.2 for the TI-84 Plus C Silver Edition published March 5, 2014 by KermMartian
» Flipping and Flapping; T^3 and Las Vegas published March 6, 2014 by KermMartian
» T^3 2014 Kicks off With Mujica, Balyta, November in Vegas published March 7, 2014 by KermMartian
» T^3 2014 Day 1: Lua, TI-BASIC, Programming Galore published March 7, 2014 by KermMartian
» T^3 2014 Day 2: The Science of Zombies published March 8, 2014 by KermMartian
» T^3 Days 2 & 3: Calculators, Ethics, Zombies, and More published March 9, 2014 by KermMartian
» T^3 Tidbits: The Real OS 4.2 Story, Activities and PD, More published March 13, 2014 by KermMartian
» Happy Pi Day 2014 published March 14, 2014 by KermMartian
» TI-84 Plus C SE Math Games: Decimal Defender and 2048 published March 19, 2014 by KermMartian
» An Informal Chat with Peter Balyta published March 30, 2014 by KermMartian

April 2014 April 2014 [Back to News Archives Index]

» Introducing ticalc forums, powered by Cemetech published April 1, 2014 by allynfolksjr
» Welcoming the Extended Family! published April 1, 2014 by Alex

May 2014 May 2014 [Back to News Archives Index]

» A Brief Introduction to Better Netiquette published May 4, 2014 by Alex
» Touchscreen HP Prime Approved for SAT, AP, Others published May 8, 2014 by KermMartian
» A Silverlink Clone to Rescue Pre-USB Calculators published May 11, 2014 by KermMartian
» Forum Security Alert published May 14, 2014 by KermMartian

June 2014 June 2014 [Back to News Archives Index]

» Projects of the Month: April & May 2014 published June 1, 2014 by tifreak8x
» STEM: US Day of Making, STEM Behind Hollywood, Contest published June 20, 2014 by KermMartian
» PartyMode 2.0: The One-Room Instant Disco published June 22, 2014 by KermMartian
» Doors CSE 8.1 Release Candidate 1 published June 28, 2014 by KermMartian
» Projects of the Month: June 2014 published June 30, 2014 by tifreak8x

July 2014 July 2014 [Back to News Archives Index]

» Cemetech Contest #12: Educational Shenanigans Starts Today published July 2, 2014 by KermMartian
» Doors CSE 8.1 Release Candidate 2 published July 3, 2014 by KermMartian
» Doors CSE 8.1 Released published July 9, 2014 by KermMartian
» HP Calculator Forum Section; HP Prime "DummyOS" published July 13, 2014 by tifreak8x

August 2014 August 2014 [Back to News Archives Index]

» Projects of the Month: July 2014 published August 1, 2014 by tifreak8x
» SourceCoder 3 Adds Casio Prizm g3p Picture Support published August 3, 2014 by KermMartian
» Cemetech To Return to World Maker Faire 2014 published August 12, 2014 by KermMartian
» A Brief Reverse-Engineering Tutorial with the g3p Format published August 13, 2014 by KermMartian
» Back-to-School 2014: What Graphing Calculator Should I Buy? published August 19, 2014 by KermMartian
» Tweet Your Calculators with the #TISelfieContest published August 21, 2014 by KermMartian
» Super Smash Bros. Open Promoted to Member Feature published August 25, 2014 by Hayleia

September 2014 September 2014 [Back to News Archives Index]

» Cemetech Contest #12 Results and Winners published September 1, 2014 by KermMartian
» Projects of the Month: August 2014 published September 1, 2014 by tifreak8x
» Spirographing, More TI-84+CSE Educational Programming published September 7, 2014 by KermMartian
» Beyond Graphing: Teach Students Programming with Calculators published September 12, 2014 by KermMartian
» World Maker Faire 2014 Starts Today published September 20, 2014 by KermMartian
» Cemetech At World Maker Faire 2014 Recap published September 23, 2014 by KermMartian
» Projects of the Month: September 2014 published September 30, 2014 by tifreak8x

October 2014 October 2014 [Back to News Archives Index]

» WiFi globalCALCnet with the Spark Core published October 5, 2014 by KermMartian
» New HP Prime Revision C and Wireless Module published October 7, 2014 by tifreak8x
» STEM Behind Hollywood: Earth Impact! for TI-84 Plus C SE published October 10, 2014 by KermMartian
» STEM Behind Hollywood: Zombie Apocalypse Part 1 (TI-84+CSE) published October 27, 2014 by KermMartian
» ArTICL: Arduino TI Calculator Linking Library published October 30, 2014 by KermMartian

November 2014 November 2014 [Back to News Archives Index]

» Projects of the Month: October 2014 published November 1, 2014 by KermMartian
» Geekboy1011 Promoted; Cemetech Contest #13 Soon published November 11, 2014 by KermMartian
» Cemetech Contest #13: "Games with Cats & Space" published November 25, 2014 by elfprince13
» ArTICam: Game Boy Camera Photos with a Graphing Calculator published November 28, 2014 by KermMartian

December 2014 December 2014 [Back to News Archives Index]

» Projects of the Month: November 2014 published December 1, 2014 by KermMartian
» Doors CSE 8.1.2 Brings Bugfixes, Compatibility published December 4, 2014 by KermMartian
» Community Crafted Calculators published December 20, 2014 by Alex
» Merry Christmas, Happy Holidays published December 25, 2014 by KermMartian
» Cemetech Contest #13 Results and Winners published December 28, 2014 by KermMartian