Software to calculate Ohms Law and other electronics math

Try this.

No. It's too easy and simple to make it worthwhile writing a stand alone Ohm's Law program for a PC. There are plenty for IOS and Android devices, but not for PC's. It might be helpful in finding something if you were more specific as to what you mean by "other electronics math"?

I think you'll find one of these to be more suitable:

Web-based software is useful to calculate parallel resistors and such-like. There was a discussion in another group about how to hot-switch between two amplifiers, neither of which would like to be unloaded (but for different reasons).

Turned out that a parallel high-wattage resistor across the amp outputs would do the trick, after a bit of calculation. Using a web-based calculator greatly sped up the process.

Peter Wieck Melrose Park, PA

Yabut...Tubeguy wants something he can run on his PC since he has a shit connection to the web.

--
"I am a river to my people." 
Jeff-1.0 
WA6FWi 
http:foxsmercantile.com

That took less than a minute.

Peter Wieck Melrose Park, PA

Thank you.

--
"I am a river to my people." 
Jeff-1.0 
WA6FWi 
http:foxsmercantile.com

Basic Ohm's Law calculations can be done on a pocket calculator without the need for anything more complicated. The biggest pitfall is knowing

*which* voltage or *which* current is actually applied to a particular resistor, especially if there are several in some sort of array.; it is not always obvious.

The logic of real-life circuit problems is not particularly amenable to being sorted out by software.

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~ Adrian Tuddenham ~ 
(Remove the ".invalid"s and add ".co.uk" to reply) 
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Go to <

> and download HAM-CALC ( HCALC_129.zip ). I unzip the file into a ram-disk whenever I need to use the program. Since it uses GWBASIC, you need to type "cmd" in the START -> Run.. box. I see that you are using WinXP, so this isn't a problem. For more recent version of Windows, you would have to install DOSBOX first.

David

--- Adrian Tuddenham wrote:

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Ohms law, capacitor reactance, numerous other things are frequently resolved with simple software. And I won't mention spice or its limitations.

It is simply the application of the Ohm-low : sigma(I)=0 at a node. sigma(V)=0 along a loop. And , of course V=Z*I.

Well, I lied. I found some Windoze and Java programs that do Ohm's law:

Ohm's Law is under the "other" tab.

Ohm's Law simulation: (Required Java)

More possibles:

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Jeff Liebermann     jeffl@cruzio.com 
150 Felker St #D    http://www.LearnByDestroying.com 
Santa Cruz CA 95060 http://802.11junk.com 
Skype: JeffLiebermann     AE6KS    831-336-2558

You would be better off with a piece of log/log graph paper, labeled for a convenient range of V on one axis, and I on the other axis. Every resistor value can be represented by a straight line (a diagonal) on the graph. Scribe in 1 ohm, 10, 100, 1000, 10k etc. lines, and glance at it when you want a value.

Calculators are slow. Laminated charts inform in a couple of seconds, and can be taped on any convenient door/partition/refrigerator.

And there must be a PDF or XLS etc file that generates log/log charts for printing out locally.

Which reminds me that decades ago I wrote a spreadsheet to display the Fourier synthesis of a square wave from the first half-dozen harmonics. Must have it somewhere...

Mike.

ITYM

and

I get "404 That page doesn't seem to exist... for both URL's.

--
Jeff Liebermann     jeffl@cruzio.com 
150 Felker St #D    http://www.LearnByDestroying.com 
Santa Cruz CA 95060 http://802.11junk.com 
Skype: JeffLiebermann     AE6KS    831-336-2558

Yep, that can work; or if you have a shared disk on the network, a bookmark for file://the-shared-disk/utility/resistor-1to100V-1to100mA.pdf