It was a TI-85 program custom written for my chemistry class. It had a couple of minor useful things, but the biggest thing is it would stuff atomic weights into their canonical symbol names in memory, and clear them when you're done to save memory.
For example, 2O (two-oh, two Oxygen atoms) was a valid expression that yielded 32. And no, not all of them are available though it's been 24 years so I don't remember which weren't but it was surprisingly few.
I thought it would be a immoral to sell something for more than $1, that when I still had it after selling it. I probably could have charged $50.
I think I was 16 or 17. But I beat apple to the "$1 app" game by 11 years. And it's part of what made me go into computer science -> programming. I grew up poor, so we didn't have a computer in the house, and no internet either. So I carried around the calculator and it's manual for years in High School.
It was a TI-85 program custom written for my chemistry class. It had a couple of minor useful things, but the biggest thing is it would stuff atomic weights into their canonical symbol names in memory, and clear them when you're done to save memory.
For example, 2O (two-oh, two Oxygen atoms) was a valid expression that yielded 32. And no, not all of them are available though it's been 24 years so I don't remember which weren't but it was surprisingly few.
I thought it would be a immoral to sell something for more than $1, that when I still had it after selling it. I probably could have charged $50.
I think I was 16 or 17. But I beat apple to the "$1 app" game by 11 years. And it's part of what made me go into computer science -> programming. I grew up poor, so we didn't have a computer in the house, and no internet either. So I carried around the calculator and it's manual for years in High School.