<script> <script async src="https://www.googletagmanager.com/gtag/js?id=G-6VJ6HGXRTH"></script> <script> window.dataLayer = window.dataLayer || []; function gtag(){dataLayer.push(arguments);} gtag('js', new Date()); gtag('config', 'G-6VJ6HGXRTH');  <script async src="https://www.googletagmanager.com/gtag/js?id=AW-627603419"></script> <script> window.dataLayer = window.dataLayer || []; function gtag(){dataLayer.push(arguments);} gtag('js', new Date()); gtag('config', 'AW-627603419'); </script>83Redux: Part One - A Journey into the TI83 Plus Graphing Calculator

83Redux: Part One – A Journey into the TI83 Plus Graphing Calculator

According to Texas Instruments, this calculator was designed to use a Zilog Z80 MCU operating at 6 MHz, but upon inspection, I find that the device was actually using a custom ASIC marked ‘INVENTEC 6SI837 0A JAPAN 0209EAI’.