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I still have a 48 series graphic calculator with this processor. I won it as a prize in a programing marathon when I was in college. Too bad I alread had passed all my calculus and phisics classes.

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I got a 28 in college which was the predecessor to the 48 and also had the Saturn. The 48 was out when I got the 28, but I liked it how the 28 had a clamshell case, but the 28 would inevitably self-destruct by pushing the batteries out the battery door.

I replaced it with a 48g and later got a 50g (which my son uses) and more recently got an HP Prime which is unrelated to the 48 line, but is an absolutely excellent calculator

https://www.bestbuy.com/site/reviews/hp-prime-portable-graph...

I also have the 49g+ with a samsung arm processor, but being honest, it dosent feel faster thant the saturn processor.

A physics teacher in high school recommended RPN to me, and the 48G. I went through college using the builtin equation library quite a bit.

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