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What calculator do you use ?

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ampdoctor:
Thru college I thought I needed the hp 48SX, especially for statics/dynamics and difeq's.   Oddly, the better I got at math, the less I needed it.  After a while all I ever needed was a cheap ass walmart calculator(Casio fx-260 to be exact) that has trig functions, logs, and a few other bits and pieces.  And the older I'm getting the more calculator averse I'm becoming.  When you think about it, NASA put three guys on the moon with a damn slide rule!  So if you start thinking you need some huge feature laden calculator, you might be mistaken.  LOL

FenderBender:
Partially agree, though I do not have close to the amount of experience as you do... I'm not saying that everyone should be walking around with a TI-89, but the nice thing about modern calculators is that they can really help you eliminate stupid mathematical errors, and can help you do problems more quickly and more accurately. That's not to say that you can't do that with a slide rule, of course, but modern calculators help us to have confidence in the results we get. For example, one thing I like about my calculator is that I can write the equation in as it would look on paper. I can't tell you the amount of times where a missed parenthesis has changed my result completely. Of course that is just user error, but as humans we are capable of mistakes. We are also capable of catching those mistakes, but it's nice when we don't have to do that.

Just a thought.

 

T4P:
The only reason i look to more expensive calcs is simply : I hate cheap scientific calculators, they go intermittent within a year and can give you funny calculations even when they battery's fresh

Wytnucls:
HP 67 all the way!
Works like new.
Fixed the magnetic card reader.
A pleasure to write programs with.

SeanB:
Dad had the later model with LCD display........ and the card reader, the expanded memory blocks and a few roms as well with overlays.

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