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What sort of calculator do you use? | Log In/Create an Account | Top | 45 comments | Search Discussion
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  • (Score: 2) by All Your Lawn Are Belong To Us on Thursday December 12 2019, @07:29PM (1 child)

    by All Your Lawn Are Belong To Us (6553) on Thursday December 12 2019, @07:29PM (#931500) Journal

    Sure is! I played for hours with my 28C, getting it to do stuff like output a random string of beep tones and then trying to correct that the beep function altered it's length along with the pitch so all the beeps would sound for the same length of time. Played around with the calculus functions even though I didn't know anything about calculus then. Then I created a program in it to play a game of HighLow with me via the stack.

    If I remember correctly the 28C also had a unit that was undefined ("unit") and/or let one define one's own units in terms of other units. Made it so much easier when one was dealing with the unusual, although it did have some limitations. I've missed that ever since when trying to deal with unit conversions for units that weren't defined. I have to go off and find a unit that is completely unrelated to what I'm calculating (Joules usually work) and sub that in.

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  • (Score: 3, Interesting) by DannyB on Thursday December 12 2019, @08:55PM

    by DannyB (5839) Subscriber Badge on Thursday December 12 2019, @08:55PM (#931530) Journal

    IIRC, Joules could be expressed in terms of the fundamental units they picked. Several of the units would have non-zero exponents.

    I used the example of velocity. That would have an exponent of 1 for the Length unit, and an exponent of -1 for the time exponent. That gives length per time.

    One fun thing I did, since it was possible to display arbitrary pixel content onto the display, was to display a Calvin & Hobbes icon, which I pilfered from a classic Mac icon someone else had already drawn in 32x32 B&W. I did have to rotate it, turn it into the proper hex code, etc.

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