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clamprechttoday at 1:08 AM11 repliesview on HN

My TI-85 story. While I was in prison, around 1996 or 1997, I found out a friend had a TI-85 calculator. I realized it was programmable, so I borrowed it over the weekend and wrote a program to track his stock portfolio. It was the first time I had programmed anything in 2 or 3 years.

Then I learned that the US Bureau of Prisons had a rule against any calculator (or device) that was "programmable". So I programmed the TI-85 so its startup screen read, "TI-85 NON-PROGRAMMABLE CALCULATOR". Problem solved.


Replies

pizzafeelsrighttoday at 4:21 AM

You're a hero of mine so here is my story.

Me in math class in 1996 - I had a TI-82 things are programmable so I have no formal education, my parents are illiterate, and taught myself to program, and I begged them to buy me one.

I spent time learning how to code on it, writing from scratch, the game Spyhunter.

I couldn't figure out how to draw with lines or pixels so I used ASCII or text.

I presented this to my teacher who told me "these aren't for games". I was crushed.

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t1234stoday at 1:12 AM

You sir are the hardest person on HN

cyberrocktoday at 2:40 AM

Perhaps this is a foolish question: how did your friend actually use the tracker? Did he input the prices from the newspapers or TV news?

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sizzletoday at 1:13 AM

How long were you locked up in the clink for? Did you get any access to computers there? How did your time there affect you or change how you think? Thanks for sharing

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jamesbfbtoday at 1:30 AM

I feel like there’s a blog post in here somewhere…!

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racl101today at 1:32 AM

They had TI-85's in late '90s? I remember there only being TI-83s.

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sikozutoday at 1:33 AM

That's such a fantastic story.

nodratoday at 1:35 AM

Love this

adi_chaatoday at 3:12 AM

this made me giggle lol