HP 48SX Calculator from 1990

This video is about the innovative HP 48SX graphing calculator from 1990. The SX pioneered some new features such as textbook-like equation editing, a matrix editor and deep support for units.

Sections of this video:
0:00 - Intro
2:27 - Physical Design
7:26 - Internals
9:31 - Basic Usage
13:25 - New features
19:55 - Programming
23:10 - Summary

In the video, I mention a few links that I would add to the video description:
- Retrotronik make RAM cards for the 48 series. You should the card will work in your particular model. https://retrotronik.com/products/
- Here is Darren's video comparing the displays on the 48 series.    • HP 48 Calculator Display Versions  
- Here is a video showing the HP 48SX Demonstration card    • HP 48SX Calculator Demonstration Card  

For more calculator videos check out my channel    / calculatorculture