SourceCoder adds TI-84 Evo support
Posted by Travis on 19 May 2026, 23:23 GMT

“Kerm Martian” has announced TI-84 Evo support in a beta version of Cemetech's SourceCoder tool. SourceCoder is a free-to-use web app that allows users to view and edit programs, lists, matrices, and other data types for the TI-83, TI-83 Plus, and TI-84 Plus family of calculators. With SourceCoder 3.1 Beta, users can now begin editing and creating data and programming projects for the TI-84 Evo model. SourceCoder also now supports the entry of special characters in Unicode, which will automatically be converted to the equivalent tokens on the calculator.

As these are new features, users are invited to report bugs on the Cemetech forums or chat.

TI Introduces the TI-84 Evo
Posted by Travis on 6 May 2026, 20:50 GMT

Since its reveal earlier this year, the TI-84 Evo has been the talk of the calculator hobbyist community. Positioned as the official successor to the venerable TI-84 Plus CE, the Evo (short for “Evolutionary”) marks a significant shift in Texas Instruments' hardware and software philosophy. While it retains the iconic layout teachers love, it introduces a revamped user interface and a hardware platform that has sparked both excitement and debate among calculator enthusiasts.

Hardware and Performance: Faster CPU, Intentional Throttling?

The TI-84 Evo is built around a new processor, a 156 MHz ARM Cortex, that TI claims is 3x faster than the one found in the TI-84 Plus CE. The device features more than 512 KB of user-accessible RAM and approximately 3 MB of user-accessible Flash storage and a streamlined OS that takes advantage of the increased clock speeds for navigation and complex calculations. The display remains a 320x240 color screen, but the “bezel-less” software design provides a 50% larger graphing area by removing the traditional borders, allowing for a square aspect ratio that finally makes circles look like circles.

However, the community's performance benchmarks tell a more nuanced story. While the UI is snappier and “Points of Interest” (zeros, intersections) are calculated almost instantly during tracing, the actual drawing of graphs appears intentionally slowed down. Enthusiasts have noted that TI seems to have throttled the graphing speed to make the plotting process more “educational,” allowing students to follow the progression of the curve rather than seeing the final result appear instantly.

Software and Compatibility: The Great Reset

Perhaps the biggest bombshell for users is the lack of native backward compatibility. TI-BASIC programs written for the TI-84 Plus CE cannot be transferred directly to the Evo. This is due to a fundamental change in the OS architecture and how tokens are handled.

To bridge this gap, community veteran Adriweb has developed an online converter to translate older 84 Plus programs to the new Evo format.

Community Reaction: Highs and Lows

The general consensus from in-depth reviews on Cemetech and TI-Planet is that the Evo is a “quality-of-life” powerhouse for students but a mixed bag for power users.

The News:

• The Dedicated Fraction Key: A single-press button for numerator/denominator templates.
• The Toggle Key: A new hardware button above [ENTER] that switches between exact (fractions/radicals) and approximate (decimal) answers.
• The Home Screen: A new icon-based dashboard that makes Apps like Python, Finance, and Conics easy to find.

The Disappointments:

• Locked Ecosystem: Like late-model CEs, the Evo has strict protections against third-party assembly and C programs, further cementing TI's move away from open hobbyist development.
• Graphing Speed: The “slow-motion” graphing has been a point of frustration for those used to the near-instant plotting of other calculators and software applications.

Getting Started on ticalc.org

The TI-84 Evo archives are now open. While the selection is currently small, we expect the library to grow as developers port their classic utilities and games to the new hardware and develop brand new projects.

Further reading

• Cemetech's TI-84 Evo technical deep-dive and discussion
• Extensive multi-part Evo review on TI-Planet

Passing of fellow french TI calculator community member Romain "roms" Liévin
Posted by Xavier on 16 February 2025, 18:12 GMT

Today, we're carrying the sad news of the passing of Romain "roms" Liévin. It was relayed by François "mmu_man" Revol.

In this TI graphing calculators community, Romain was especially an instrumental part of the Linux Programmers Group, which brought the community pieces of libre, portable software (usually working on Linux, BSDs, macOS and Windows) for communicating with and emulating the TI graphing calculators we've come to love: libticonv, libtifiles(2), libticables(2), libticalcs(2), and their better-known TILP (II), TIEmu and TilEm front-ends respectively. The ability to communicate with (almost) the entire lineup of TI graphing calculators through a single, unified API, in its second iteration, is unmatched.

In 2007, he visited TI EdTech in Dallas, picking up a variety of calculators and cables to aid in further development of the communication libraries. TI doesn't want to invest in porting their software to Linux and the BSDs, and does usually no longer provide documentation, but helps select persons with hardware donations. Even to this day, few members of the user community had such a level of interaction with persons on TI's payroll.

Professionally, Romain was teaching some aspects of computer science and physics, and had additionally undertaken a PhD.

I met him several times over the years, and picked up his set of calculators and cables in 2010, in order to carry forward the maintenance and evolution of the LPG stack, mostly working on the libraries. A nice and smart person, with a good long-term vision for the community. It showed in decisions such as requiring that some features remain optional in TIEmu; this enabled TIEmu to remain usable into the 2020s with minimal maintenance, so despite the slight additional complexity it brought, time has now shown that it was the right way forward.

mmu_man will keep the memories from him at the engineering school, where we were young and technology was cool and interesting. That's when he remembers him smiling.

Article written by Lionel Debroux with a tribute of François "mmu_man" Revol.

Newprog 2.0 and NPPTOC released - TI-68k
Posted by Xavier on 30 April 2021, 20:46 GMT

Newprog 1.0 by is a very powerful programming language released in 2010 for the TI-68k series. Its syntax is close to TI-68k Basic, but its functionality is closer to C and ASM: access to memory, sprites, timers, OS variables, etc. In addition, executing TI-Basic instructions directly is possible. Newprog programs can be edited and compiled directly on the calculator. Basically, it is similar feature-wise to Axe Parser for the monochrome TI-Z80 series, released in the same time frame; sadly, unlike Axe Parser, it seems to have come too late to trigger a significant revival of the corresponding community.

Recently, Newprog 2.0 was released on ticalc.org. It represents an evolution of version 1.0, with generally good backwards compatibility, and significant new functionality. The main upside of Newprog 2.0 is that it can be used in conjunction with NPPTOC, a new calculator-side program performing source-to-source translation between Newprog and C under some conditions, e.g. that all variables have a single type throughout their lifetime. Once translated, the programs can be compiled to assembly using GTC (calculator-side and computer-side) or GCC4TI (computer-side), creating faster, standalone native code binaries.

However, there's more! Thanks to NPPTOC, Newprog 2.0 adds support for libraries, which can be programmed either in Newprog or C(+ASM), then compiled into native code, and called from Newprog programs. This unleashes the full power of native code. Other improvements in Newprog 2.0 include a rewrite of the documentation, to fix errors and improve clarity, as well as new functions.
All in all, this looks to be a very solid new release... existing and new users of Newprog alike should love it!

Article written by Mael Bansard (author of Newprog) and Lionel Debroux.