TI-Basic Developer Home: TI-83/84/+/SE/CSE/CE

We're glad you came by, but you might find what you're looking for elsewhere.

TI-Basic Developer is not the site it once was. While its information on commands and other calculator features remains almost second-to-none, its forum, archives, and even hosting service, Wikidot, have been decaying for years. The calculator community would love to see what you're working on, or help you in your next coding adventure, but TI-Basic Developer is no longer the place to do it.

Instead, you should head over to Cemetech (primarily American) or TI-Planet (primarily international). Both are active, well-established forums with their own archives, chatrooms, reference material, and abundant coding tools and resources. We'll see you there, we hope.

Welcome to TI-Basic Developer (TI|BD), the TI-Basic information repository! If you are a first-time visitor, please check out the welcome pack to get up to speed on using the site. We encourage you to become a member, to get involved in the community, and to come back often to see what changes have occurred. And above all else, enjoy your stay!
New to TI-Basic?

These pages provide an overview of TI-Basic, and are designed to help you quickly get started learning and using TI-Basic.

...that the Horiz format will split the screen in half horizontally, with both the graph screen and home screen being shown at the same time?

A subprogram is a program called by another program, and is used when a task needs to be performed multiple times. The complete program is thus made up of multiple smaller programs that all work together.

(Read more...)

May 04 — TI has announced the release of the TI-84+ CE Python in North America. The release is expected for Fall 2021.
May 22 — TI has announced that future OS updates for the TI-84+CE and TI-83 Premium CE will disallow custom ASM programs and OS downgrading to mitigate exam mode security issues.
Sep 25 — A new forum category specifically for CE and CSE programming questions has been added to separate these threads from those for the monochrome models
Love and I'll miss you all, take care✌
(by naga_serpentis 28 Aug 2025 21:44, posts: 10)
I think they can certainly be made read-only, but I'll give others some time to chime in before...
(by Trenly 23 Jul 2025 00:58, posts: 10)
I've made edits to several template pages so now it should appear automatically on most, if not...
(by Trenly 23 Jul 2025 00:56, posts: 10)

TI-Basic Developer Home: TI-83/84/+/SE/CSE/CE
(by Trenly 23 Jul 2025 01:20)
Welcome to TI-Basic Developer
(by kg583 03 Jul 2025 06:08)
The Fix Command
(by SuperSimo 29 Jun 2025 09:59)
The rand Command
(by taricorp 23 May 2025 04:36)
TI-84+ Tokens
(by kg583 21 Feb 2025 06:26)
OS Changelog
(by MrWompWomp 08 Feb 2025 13:01)

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