I'm programming a TI-83 and I'm still new to programming in general. I'm having a trouble with the line : DelVar L₁"?→Str1 I was wondering if someone could tell me where to find ₁ in particular.

Ok before I get flamed I'll explain why I want to do this. My Calculus teacher will only let us use a ti-83 or below, and resets our memory before every test. Now I don't use the programs anyway ...

Graphing calculators are an interesting niche market these days. They’re relatively underpowered, and usually come with cheap, low resolution screens to boot. They remain viable almost solely due to ...