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Modified calculators, AI watches, and merch — built by the Retardation Foundation.

Modified Calculators

WiFi, ChatGPT, and camera-enabled TI-84s.
TI-84 Plus

TI-84 Plus

Pick Text or Camera edition inside

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TI-84 Plus Silver Edition

TI-84 Plus Silver

Pick Text or Camera edition inside

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TI-84 Plus C Silver Edition

TI-84 Plus C Silver

Color display edition

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TI-84 Plus CE Coming Soon

TI-84 Plus CE

In development

TBA
TI-84 Plus CE Python Coming Soon

TI-84 Plus CE Python

In development

TBA

AI Watches

Smartwatches with on-device assistants.
4K Wide View AI Watch Coming Soon

4K Wide View AI Watch

In development

TBA

Apparel & Stickers

Fulfilled by Printful.
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Browse the Merch Store

T-shirts, hoodies, stickers & more

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