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Re: Calculators?
Before college, I never used a calculator for anything more then square roots and trigonometric functions with wierd angles. In college, I was required to have a graphing calculator for Calc I, so I bought a TI-86.
I used the 86 throughout college. It was especially usefull in circuits where the simulateous equation solver was much easier and faster then the TI-89's and most people didn't know how to get the App for the 83 and 84. The built in constants and conversions were another great feature compared to the 83 and 84.
I had been reading and hearing people rave about HP's calculators, so I bought a HP-48G off ebay. After a year or so of practicing with RPM, I started using the HP for arithmetic on tests and the HP for simultaneous equations and graphing. People would look at me funny for having 2 calculators out during tests, however.
Once I got to E&M (and had long finished all my math courses), I bought an HP-49g+. It was nice to be able to do symbolic integration (without jumping through a lot of hoops like the 48), but the reliability of the calculator wasn't great and 2 years later it's dead.
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