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RoundUp on The Ultimate Math Program for Electronics

Saw a nice collection of electronics calculators with links from Homer J and David L. Almost makes me want to start coding in C again to create my own custom electronics apps.

Math software vs. Paper

Phil says grinding through algebra generates intuition. Maybe I'm at some other level... I think I've killed at least 1 tree with routine calculations. Doing paper math did force me to find math shortcuts on occasion. I had a matrix problem where I just wanted answers not art.

In reply to Dr. Anton words of wisedom.. .. Speed is Good!! :) (movie reference) I made many slow mistakes on paper and now I can make many fast mistakes on the PC! My time goes into problem definition and problem solution...Ideally I can hammer on the problem definition and let the software do the solution in a blink. Possible 50% mental savings :)

NSolve[In(g)==Out(g)]

Reply to
D from BC
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Unless your time is free, you'd be much better off starting with something like SciLab and Octave, since they already know about complex numbers, graphing, far fancier functions than you'll likely ever use, etc.

Reply to
Joel Kolstad

Nah, this is how real engineers do it:

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Regards, Joerg

http://www.analogconsultants.com
Reply to
Joerg

Nope; this is how the real ones do it:

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Thanks,
Fred.
Reply to
Fred Bartoli

I have a similar one by Post, with Trig tables on the back... bought around 1958-59.

...Jim Thompson

--
|  James E.Thompson, P.E.                           |    mens     |
|  Analog Innovations, Inc.                         |     et      |
|  Analog/Mixed-Signal ASIC\'s and Discrete Systems  |    manus    |
|  Phoenix, Arizona            Voice:(480)460-2350  |             |
|  E-mail Address at Website     Fax:(480)460-2142  |  Brass Rat  |
|       http://www.analog-innovations.com           |    1962     |
             
I love to cook with wine.      Sometimes I even put it in the food.
Reply to
Jim Thompson

Go digital:

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Reply to
kell

The only round one I have is a pregnancy calculator for medical ultrasound :-)

Then a few elaborate rectangular slide rules where one of them is in regular use. Aristo Scholar VS, the one for engineers. My trusty old RF slide rule for filter calcs disintegrated, didn't like the move across the ocean :-(((

It's amazing how easily the salty air gets into freight containers in winter and how it can damage things. So, if anyone has to move across the pond don't do it in January like we did. At least not if the ship takes a northern route.

--
Regards, Joerg

http://www.analogconsultants.com
Reply to
Joerg

Ah, a timber based version. Nice.

Engineers in the times of the Romans would disagree though. They'd say that this is how it's done right:

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Regards, Joerg

http://www.analogconsultants.com
Reply to
Joerg

Except that is not an abacus, it is a soroban.

--
 JosephKK
 Gegen dummheit kampfen die Gotter Selbst, vergebens.  
  --Schiller
Reply to
joseph2k

As in " Succoring a Soroban "

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Robert

Reply to
Robert

No, it has two beads in the top row and five in the bottom row, a soroban has one on top and four below. it looks lika a chinese abacus to mee. it look very similar to the one my grandmother picked up in hong-kong (or perhaps singapore) except hers was probably tourist junk.

Anyway a soroban is an abacus.

Bye. Jasen

Reply to
jasen

Yes and no, the fundamental concept is the same; an classic original Greek abacus is strictly decimal and the soroban is biquinary. Wikipedia shows that it was independently created in many cultures.

--
 JosephKK
 Gegen dummheit kampfen die Gotter Selbst, vergebens.  
  --Schiller
Reply to
joseph2k

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