Lunduke
News • Science & Tech
Make Computers Fun Again - Linux, UNIX, Alternative Operating Systems, Computer History, and Retro Computing. Also dad jokes.
Interested? Want to learn more about the community?
December 09, 2022

Yesterday, I left off talking about the TI-85, the second Texas Instruments graphing calculators.
The 85 had a huge problem, it was designed for college level calculus. It could be used to solve polynomial expressions. This was a problem for highschool algebra classes as well as the SATs. (I can't find any records of when the policy changed, but I know that initially, the TI-85 was banned from use on the SATs for this reason.)

What was TI's response? The TI-82 in 1993, less than a year after the TI-85.
This new calculator had many of the features people loved about the 85, like the ability to use the link cables, and a backup battery, but TI cut the functionality down to something closer to the 81, then cut the memory in order to bring down the price.
This made the TI-82 the most sought after calculator for highschool classrooms. It also makes it probably the most popular of all the models sold in the 90s.

The TI-82 was so successful, that Texas Instruments didn't release any upgrade for 3 years. But there were other models in the mean time.

In 1995, Texas Instfuments released 2 new graphing calculators taking the features of the previous models to the extreme.

The TI-80 was a cut down version of the original 81 but much smaller and capable of running on 2 coin-cell batteries.

The TI-92 was the biggest beast of them all sporting more pixels, more memory, and a full qwerty keyboard. It also used a Motorola 6800 processor at 10hz. So it was basically a Macintosh in your pocket.

While the 80 basically flopped, the 92 did really well despite the fact that it was banned from use on any national exams due to that keyboard. And it remains banned for that reason today. Despite that, college level calculus classes loved it due to its inclusion of CAS (Computer Algebra System, basically it can do everything you learned in Algebra). (I will definitely be talking more about this one over the weekend.)

In 1996, Texas Instruments finally released a successor to the TI-82, the TI-83.
Functionally the only changes were a much better screen (although at the same resolution) and a little more memory for programs (4k to be exact). The change that got most people to switch, was the new design of the case. Like Apple, Texas Instruments decided form was more important to consumers than function. (More on the 83 this week as well. This was my highschool baby.)

1996 also saw a small improvement in the 92 which was really just them fixing bugs in the firmware.

In 1997 a successor to the TI-85 was released. This was mostly the same as the 85, but with the same form factor as the 83 and the newer screen. (BTW, did I ever mention that the 85 had a wider screen?) But the big improvement, the new TI-86 had 128kb of memory while still using a z80 processor. (Yes, at this point in the story, the z80 is nearly 20 years old and still in use.)
The TI-86 was a huge success in colleges, (and it looks like the SAT board got over the whole polynomial equation thing by this point.) However, highschools still avoided it because they felt it allowed Algebra students to cheat on tests. So sales were not as good as TI had hoped.

In 1998 Texas Instruments released the TI-89. This was nearly identical to the 92, but in the same form factor as the 83, and 86. This new model nearly killed the 86. For only $10 more, it had 2x the memory, higher resolution, faster processor, CAS, and it was allowed for use on the SATs. Again, highschools avoided it, but by this point every college student had grown up using graphing calculators and colleges were dependent on them.

Also in 1998, a few revisions were made to the TI-83 and some new cheaper calculators were released. The TI-83 Plus was the last model released in the 90s and ends our history here.

To date, according to Texas Instruments, the TI-84 Plus, released in 2004 and still available today, has been the best selling of any model. But, there is nothing retro about something you can still buy brand new at Walmart.

All of these calculators, except the 83, were purchased from local thrift stores for less than $5 each since Lunduke announced handheld week.

Interested? Want to learn more about the community?
What else you may like…
Videos
Podcasts
Posts
Articles
September 14, 2025
The Apache Software Foundation Drops the "Apache"

“As a non-Indigenous entity, we acknowledge that it is inappropriate for the Foundation to use Indigenous themes or language.”

And, yes. It says “1985” in the date. But, do not be fooled. For it is not actually 1985.

More from The Lunduke Journal:
https://lunduke.com/

00:09:38
September 14, 2025
Microsoft & Red Hat Employees Celebrating Charlie Kirk's Murder

At Microsoft & Red Hat -- and across Big Tech -- many employees are celebrating and encouraging murder. Microsoft has responded... but not Red Hat.

And, yes. The date on the video says 1985. But, no. It's not actually 1985.

More from The Lunduke Journal:
https://lunduke.com/

00:15:26
September 13, 2025
Open Source & Big Tech Leftists Lost Their Minds This Week

Open Source Leftists Celebrate Murder, Censor Conservatives, and say "Free Software is White Supremacy". It's been one of those weeks in the Tech world.

Lunduke's Week in Tech - Sep 13, 2025:
https://lunduke.substack.com/p/lundukes-week-in-tech-sep-13-2025

More from The Lunduke Journal:
https://lunduke.com/

00:21:48
November 22, 2023
The futility of Ad-Blockers

Ads are filling the entirety of the Web -- websites, podcasts, YouTube videos, etc. -- at an increasing rate. Prices for those ad placements are plummeting. Consumers are desperate to use ad-blockers to make the web palatable. Google (and others) are desperate to break and block ad-blockers. All of which results in... more ads and lower pay for creators.

It's a fascinatingly annoying cycle. And there's only one viable way out of it.

Looking for the Podcast RSS feed or other links? Check here:
https://lunduke.locals.com/post/4619051/lunduke-journal-link-central-tm

Give the gift of The Lunduke Journal:
https://lunduke.locals.com/post/4898317/give-the-gift-of-the-lunduke-journal

The futility of Ad-Blockers
November 21, 2023
openSUSE says "No Lunduke allowed!"

Those in power with openSUSE make it clear they will not allow me anywhere near anything related to the openSUSE project. Ever. For any reason.

Well, that settles that, then! Guess I won't be contributing to openSUSE! 🤣

Looking for the Podcast RSS feed or other links?
https://lunduke.locals.com/post/4619051/lunduke-journal-link-central-tm

Give the gift of The Lunduke Journal:
https://lunduke.locals.com/post/4898317/give-the-gift-of-the-lunduke-journal

openSUSE says "No Lunduke allowed!"
September 13, 2023
"Andreas Kling creator of Serenity OS & Ladybird Web Browser" - Lunduke’s Big Tech Show - September 13th, 2023 - Ep 044

This episode is free for all to enjoy and share.

Be sure to subscribe here at Lunduke.Locals.com to get all shows & articles (including interviews with other amazing nerds).

"Andreas Kling creator of Serenity OS & Ladybird Web Browser" - Lunduke’s Big Tech Show - September 13th, 2023 - Ep 044
post photo preview
Lunduke Livestream: Tue, Sep 16 at 1pm Eastern

The Lunduke Journal regular live-streaming is back! The next show is Tuesday, September 16th (tomorrow) at 1pm Eastern (10am Pacific, 5pm UTC).

You can catch the live video, for free, on X, Rumble, YouTube, & Locals.

We’ve got a lot of Tech News to cover — and who knows what stories will pop up between now and then!

Time permitting, we’ll also be doing a little Nerdy Q & A. So, if you’ve got something you’d like to ask, join us in one of the chat rooms!

Also, quick reminder that the price of new Lifetime Subscription is going up this Friday. If you want one at the lower price, now’s your moment. We’ve also added some new perks for subscribers worth checking out.

See you nerd tomorrow!

-Lunduke

Read full Article
September 14, 2025
New Lunduke Journal Sub Perks, Lifetime Price Increase Next Week

A quick update: There are some new perks for Lunduke Journal subscribers, and an upcoming price increase for new Lifetime Subscriptions (if you want one of those at the lower price, you have a couple days).

All the details below.

Lifetime Subscription Price Increase

This coming Friday (September 19th), the price of a new Lifetime Subscription to The Lunduke Journal will be increasing from $200 to $300. I wanted to give all of you a few days notice so you could grab one at the lower rate.

If you want to pick up a Lifetime Subscription for the lower price, simply grab one (via Locals, Substack, or Bitcoin) by Thursday night (Sep 18th).

The prices for new Yearly and Monthly subscriptions will remain the same. No changes.

Reminder: The Lunduke Journal has phased out sales and discount promotions. The current price of a subscription is the best price.

New Perks for Lunduke Journal Subscribers

I am working on adding a few new perks for Lunduke Journal subscribers — a way of saying “Thank You” for making this work possible (while still keeping all of the articles and shows free for the world).

Here are the perks as of today.

Perks for all Subscribers (Monthly, Yearly, and Lifetime):

Note: The eBooks & Games are currently only available on Locals & Substack (due to platform features). Those perks will also become available to subscribers on X, YouTube, & Patreon next week. Stay tuned for access details.

Additional (Optional) Perks only for Lifetime Subscribers:

  • The Lunduke Journal will follow your account on X.

  • Your name (real, or internet handle) listed in a special thanks slide at the end of new Lunduke Journal videos.

Both of these perks are 100% optional.

If you are a Lifetime Subscriber, and would like to take advantage of either (or both), simply email “bryan at lunduke.com” with the subject line “Lifetime Perk” (that part is important, I get so many emails this will help me see yours) and include a link to your X profile and/or the way you want your name to appear at the end of videos.

One of the nice parts of having Lunduke Journal follow your X account… is it will make it far easier (and more likely) for me to see your comments.

Thank You

I am working to expand all of the regular perks (books, etc.) to subscribers across all platforms (which was a little tricky, considering the differences in each platform, but I managed to figure out how to do it) — while adding a few new ones as well.

Nothing crazy, just a way of saying “Thank You”.

Seriously.

From the bottom of my heart, thank you for your support. The Lunduke Journal is only possible thanks to each and every one of you.

-Lunduke

Read full Article
September 13, 2025
post photo preview
Lunduke's Week in Tech - Sep 13, 2025
Open Source Leftists Celebrate Murder, Censor Conservatives, and say "Free Software is White Supremacy".

So many stories this week about Leftist Activists, within Open Source and Big Tech, going absolutely insane.

From celebrating the murder of Charlie Kirk to censoring Conservatives and even equating Free and Open Source Software with White Supremacy. And there’s more.

What’s truly crazy to me, is that most of these cases of Leftist insanity are from leaders within Open Source. These are the people running projects and representing companies.

Seriously. It’s wild.

Here are the stories of the week, presented in reverse chronological order.

All of these links are to Substack (where you can watch the video or listen to the audio podcast) — but all of these stories are available for free on every platform which The Lunduke Journal publishes to. Use whichever platform works for you.

Only The Lunduke Journal Told These Stories

This week I am reminded why The Lunduke Journal is important.

Over the last 7 days, we published 13 stories.

Of those 13 stories only 2 were covered by any other Tech News outlet. Two.

And, in both of those 2 stories, The Lunduke Journal is the only Tech News outlet that covered them accurately — and without a pro-Big-Tech, Left Wing bias.

If we didn’t exist, the other 11 stories wouldn’t get told at all. How crazy is that?

Thankfully the stories are spreading — with people seeing them over 9 million times last month alone.

If you want to be part of making The Lunduke Journal possible, consider becoming a subscriber. Lots of options, big and small. And all go directly towards daily operations.

Might I make a suggestion?

The Lifetime Subscription (which counts towards both Substack and Locals — and last for life) is a marvelous, one time, way to show support. And it comes with all of the perks (access to the Locals community as well as the official Lunduke Journal forum, & DRM-free eBooks).

You can snag a Lifetime Subscription via Locals, Substack, or with Bitcoin.

But, heck, any type of subscription (via any platform) is appreciated! Choose whichever works best for you!

Then be sure to go to Lunduke.com and choose the platforms which are the most convenient for you to use — The Lunduke Journal publishes all over the Inter-Tubes!

And, once again, thank you to every subscriber. This work is only possible because of you. You rule.

-Lunduke

Read full Article
See More
Available on mobile and TV devices
google store google store app store app store
google store google store app tv store app tv store amazon store amazon store roku store roku store
Powered by Locals