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Welcome to Cemetech! Since 1999, Cemetech (pronounced KE'me'tek) has been developing software and hardware in many technology-related fields. Among Cemetech's specialties are TI graphing calculators such as the TI-83+/SE and TI-84+/SE, the Casio Prizm graphing calculator, web programming, and DIY hardware projects and modifications.

Kerm Martian, né Christopher Mitchell, has since 2004 held the title of the world's most prolific graphing calculator programmer, with over 400 completed programs and more than 900,000 direct downloads. He has also developed many software and hardware projects. As an active webmaster and developer, you can often find him idling here in Cemetech's SAX chatroom.

Numbers: 635 articles have been posted in Cemetech's News Archives. View current site statistics. Within the last seven days, 1 files have been added to the file archives. Click to show the new file.

Latest Forum Posts
» Cemetech6 Mobile: Requests & Bugs by merthsoft
» TI 84 Plus C Silver Edition is not charging!!! by teddy123
» Comic Bought a Windows Computer! Help! :( by comicIDIOT
» Eigenmath for the Prizm (Beta 7 out now!) by ProgrammerNerd

Cemetech Labs Updates
» GPS for Graphing Calculators on 2/4/2014
» "Building a Virtual City from the Real World" on 1/30/2014
» Cemetech Returning to World Maker Faire 2013 on 9/9/2013
» SSD1289 Framebuffer (FB) Issue on 9/8/2013

SourceCoder 3 TI-BASIC Editor/IDE  jsTIfied online TI-83+/TI-84+ emulator  Cemetech Forum  Cemetech Projects  TI-83+/84+ Programs and Games  Casio Prizm Programs and Games  Using the TI-83 Plus/TI-84 Plus  Programming the TI-83 Plus/84 Plus  Doors CS 7  United-TI Fora  WikiPrizm 
Welcoming the Extended Family!
Published by comicIDIOT on April 1, 2014 at 2:19:54 PM CST | Discuss this article (10)

Editor's Note: Sadly, this was indeed part of our April Fools 2014 joke. Of course, if an overwhelming majority of our constituency thinks that Administrator/Ambassador Nikky is exactly the mature, indispensable addition that Cemetech needs, we are willing to listen to arguments in his favor.

With the now announced partnership between Cemetech & TICalc it's only fitting that we have cross site staff. When Nikky - on right - as an Ambassador for TICalc and Alex - on left - as an ambassador for Cemetech visited San Francisco in October of 2011 (pictured) and again last year they talked about better engagement of the community. What conspired between the staff was a partnership that will continue to grow.

Since we are effectively two communities running on one forum, Cemetech brought some of the staff from TICalc to become administrators. Please welcome allynfolksjr and Travis. The administrations of both communities are extremely pleased to officially work alongside each other.

Introducing ticalc forums, powered by Cemetech
Published by allynfolksjr on April 1, 2014 at 1:30:38 AM CST | Discuss this article (59)

Originally posted on ticalc.org by the ticalc.org and Cemetech staffs:


For much of our history, we have steadfastly stood by our original goal of creating the canonical repository for all applications and utilities for TI Graphing Calculators, and we're proud of our accomplishments. While calls of greater tools for collaboration have always been present, we have focused on mailing lists and presence in the IRC community as our primary means of encouraging users to work with each other. The internet is changing around us, and we need to adapt. That's why we're proud to be partnering with Cemetech.net to create the ticalc forums, powered by Cemetech.

"Having Cemetech power our forums seemed like a much better idea than building our own system from the ground up. We can leverage their expertise in forum management, and they can benefit from our extensive file archive.," Magnus Hagander of ticalc.org said.

The transition will take place slowly, with some minor co-branding of our themes beginning immediately. After we migrate our existing user database into Cemetech's system, we'll move their forums to a new URL under the ticalc.org namespace. In the near term, the two entities will remain largely independent, with different management and administration united under a common goal.

Many of Cemetech's tools, such as jsTIfied, will be integrated with the ticalc file archives, allowing users to quickly preview applications prior to download. The Cemetech news system will be merged with that of ticalc, and the sites will present a single news source going forward. The cemetech archive will be migrated into ticalc.

All too often we see the well-meaning efforts of inexperienced administrators who are unable to preserve historical links and features," Hagander continued, "We will take our time, and we will do it right. When we have a release to show the community, it will be fully-functional and production ready." Christopher "Kerm" Mitchell, founder of Cemetech, was excited with the possibilities. "I've wanted to work with ticalc.org since I was in middle school. When they reached out to me about having Cemetech run their forums, we immediately agreed. On behalf of my entire staff, we can't wait to get started!"

On behalf of the entire ticalc.org staff, we look forward to seeing what new and exciting projects the community creates with these new consolidated tools. We'll keep you informed as this process moves forward during the coming weeks.

-- the ticalc.org and Cemetech staff

An Informal Chat with Peter Balyta
Published by KermMartian on March 30, 2014 at 9:36:35 PM CST | Discuss this article (13)

Back in February, we reported on the promotion of the previous Executive Director of Worldwide Marketing & Product Strategy, Peter Balyta, to president of TI Education. At T^3 2014 in Las Vegas, we had several opportunities to interact with Dr. Balyta, and he reiterated his mission to work with the community as well as to encourage programming wherever it intersects with and enhances TI's mission. Dr. Balyta generously spoke to me this past Friday, answering questions about the present and future of TI's technology, its role in promoting programming and STEM, and his thoughts on the calculator enthusiast community. I was very pleased with what he had to say, and the fact that the following 4,000-word transcript is an edited and abridged version of our conversation (!) should belie the depth of our discussion.

Read full article and interview >>

If you lack the time or patience to read the full interview, a few important quotes are worth your time. For example:
Over the last few years, as I've been more involved in product strategy and then going into worldwide marketing, I've worked hard to help the organization see that the community can really help us, and that we need to work more closely with the community along the positive lines I've discussed with you, adding value to the products, and I believe that that far outweighs the negatives. Most of the people in the community want to innovate, they want to improve their programming skills, they're very competitive people, and the vast majority is working on positive innovation. Those are the initiatives that we're excited about.
[W]hat you guys do is extremely valuable as well, whether it's programming or just showing what's possible. I refer to it as "extending the capability" of our platforms. That is very helpful for us to see what else can be done today and what should we be thinking about tomorrow. While I can't comment specifically on any roadmap plans and especially not what the TI-84 Plus C Silver Edition will look like in the future, what I said earlier, that there's an important customer base there, it's one of our two hero product lines, and we're committed to improving the customer experience, and in my mind that includes performance going into the future.
In some parts of the world, programming as part of STEM regardless of whether TI is involved is really taking off, and I'm happy to see that. We're partnering more and more with folks to have kids start programming early on, knowing that all kids could have a platform for programming right there in their hands. They can do it in schools, they can do it at home, on the bus, waiting for lacrosse or soccer, and we're seeing that take off in parts of the world, for example in France. The TI-89 and now the TI-Nspire CAS platform is really taking off as a programming platform, and we try to encourage that wherever we see it. We're starting to see some of that here, and we're excited to recognize that. If you have ideas on how we can encourage that more, let me know.

Dr. Balyta spoke at length about TI's educational mission with its graphing calculators, including the classroom material and activities and professional development that it offers. We touched on the ever-popular STEM Behind Hollywood program, including whether that program might feasibly find a home on the TI-84+CSE. Perhaps most importantly to the community, Dr. Balyta discussed his views on the value of the community to TI (and vice versa), and how we can continue to build a close positive relationship in the future. I thank Dr. Balyta once again for his time, and I'll look forward to continuing to liaise between Cemetech, the community, and TI Education in the future on the behalf of our many skilled and passionate programmers, students, and teachers.

Read full article and interview >>

TI-84 Plus C SE Math Games: Decimal Defender and 2048
Published by KermMartian on March 19, 2014 at 12:52:26 PM CST | Discuss this article (17)

After initial displeasure about the marriage of a high-resolution color screen with a 15MHz z80 CPU and no graphics coprocessor, the community has embraced the TI-84 Plus C Silver Edition. The first shell for the TI-84+CSE was released the same Back-to-School season that the calculator was available in stores, and games from a space shooter to Tetris to classic puzzle games. Graphing calculators are originally educational tools, so it stands to reason that some math and logic games would provide a good mix of education and entertainment for students. To that end, Cemetech's skilled members have been working on a variety of math games for the the TI-84 Plus C Silver Edition. One is Decimal Defender, inspired by a TI App of the same name. The remaining three are versions of the virally-popular 2048 by Gabriele Cirulli for the color and monochrome TI-83 Plus/TI-84 Plus calculators.

The original Decimal Defender was a "concept" game from TI Education to teach an intuitive understanding of scientific notation and powers of ten. The game challenges you to solve math problems by placing a decimal point. You are asked to divide or multiply a number by a power of ten, and you need to use your spaceship to shoot a decimal point into the proper place. You get two lives; solve the math problem incorrectly twice and the game ends. You get points based on how fast you answer the questions, and although you can choose to solve only multiplication or only division problems, you get more points when you solve both. A demo mode is included where the calculator will play the game for you to show you how it works. It of course requires Doors CSE 8.0 or higher, and Decimal Defender Color 1.0 is available in the Cemetech Archives.

The Javascript game 2048 has, in the past week, become nearly as popular among the intellectual crowd as the infamous Flappy Bird did among iDevice owners, so it should come as no surprise that it is already available in three calculator versions, with at least two more on the way. The goal of the game is to combine tiles displaying powers of 2 to get to a 2048 tile. You can move all the tiles on the board in one of the four cardinal directions in each turn, and tiles with the same value that slide into each other will combine to a new tile with double the value. The original game was created in Javascript by by Gabriele Cirulli, itself based on "1024" by Veewo Studio and "Threes" by Asher Vollmer. The three existing calculator versions are Calc2048 - Tile Sliding Game for monochrome calculators and Calc2048 Color for the TI-84+CSE, both by UnknownLoner, and 2048 Color for DCSE by Kerm Martian. TIFreak8x and geekboy are both working on potential future 2048 versions.

If you own a TI-83 Plus/TI-84 Plus or TI-84 Plus C Silver Edition, you should try these educational math games out as soon as possible. If you're a programmer, why not think about some educational games of your own that you could create?

Decimal Defender Color 1.0
Calc2048 - Tile Sliding Game for TI-83 Plus/TI-84 Plus
2048 Color for DCSE
Calc2048 Color


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