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Software to calculate Ohms Law and other electronics math

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Guest

Sun Jan 27, 2019 5:45 am   



Is there any Software to calculate Ohms Law and other electronics math?

I have never been good at Mathematics, once you put numbers over other
numbers, use alphabet letters in place of numbers, or talk about
squaring a number, I am completely lost. This is nothing new. Even in
high school I needed special help and barely passed algebra.

Yet, I have worked with electronics all my life. (55+ years). I usually
fInd the correct resistors by trial and error, using pots and decade
boxes. Or using meters for watts, amps, or volts.

Most of the time I see someone in a youtube video using this kind of
math, I skip the video. I just hate math and always will.

But I'd welcome a piece of software that would calculate simple ohms law
things like determining the resisitor size or amperage, etc.

Yes, I'm aware of websites that do that math, but I do not have internet
access in my shop, which is where I need this sort of thing.

Is there any software (preferably free) that I can put on my laptop PC
to do this? (Must be suitable for Windows XP SP3 Pro).

Google did not find anything except those online (web based)
calculators...

Ralph Mowery
Guest

Sun Jan 27, 2019 5:45 am   



In article <mvaq4e5ap2shaio9h1skold7spjogfa183_at_4ax.com>,
tubeguy_at_myshop.com says...
Quote:

Is there any software (preferably free) that I can put on my laptop PC
to do this? (Must be suitable for Windows XP SP3 Pro).

Google did not find anything except those online (web based)
calculators...





Try this.

https://www.electronics2000.co.uk/download.php

Jeff Liebermann
Guest

Sun Jan 27, 2019 5:45 am   



On Sat, 26 Jan 2019 21:56:44 -0600, tubeguy_at_myshop.com wrote:

>Is there any Software to calculate Ohms Law and other electronics math?

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"?

Quote:
Is there any software (preferably free) that I can put on my laptop PC
to do this? (Must be suitable for Windows XP SP3 Pro).


I think you'll find one of these to be more suitable:
<https://www.google.com/search?q=ohm's+law+cardboard+slide+rule&tbm=isch>
Most of my collection:
<http://www.learnbydestroying.com/jeffl/crud/Paper-Slide-Rule-Calculators.jpg>
<http://www.learnbydestroying.com/jeffl/crud/Paper-Slide-Rule-Calculators-02.jpg>
Oddly, I don't seem to have one that does Ohm's Law.


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

John Robertson
Guest

Mon Jan 28, 2019 7:45 am   



On 2019/01/26 8:36 p.m., Jeff Liebermann wrote:
Quote:
On Sat, 26 Jan 2019 21:56:44 -0600, tubeguy_at_myshop.com wrote:

Is there any Software to calculate Ohms Law and other electronics math?

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"?

Is there any software (preferably free) that I can put on my laptop PC
to do this? (Must be suitable for Windows XP SP3 Pro).

I think you'll find one of these to be more suitable:
https://www.google.com/search?q=ohm's+law+cardboard+slide+rule&tbm=isch
Most of my collection:
http://www.learnbydestroying.com/jeffl/crud/Paper-Slide-Rule-Calculators.jpg
http://www.learnbydestroying.com/jeffl/crud/Paper-Slide-Rule-Calculators-02.jpg
Oddly, I don't seem to have one that does Ohm's Law.



There is the old PIRE wheel, or is that too simple for the OP?

Of course then you need to use either your head or a calculator - I mean
really, I=E/R, how hard is that?

John :-#)#

pfjw@aol.com
Guest

Mon Jan 28, 2019 2:45 pm   



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.

http://www.1728.org/resistrs.htm


Peter Wieck
Melrose Park, PA

Fox's Mercantile
Guest

Mon Jan 28, 2019 3:44 pm   



On 1/28/19 7:37 AM, pfjw_at_aol.com wrote:
Quote:
Web-based software is useful to calculate parallel resistors
and such-like.


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

pfjw@aol.com
Guest

Mon Jan 28, 2019 3:45 pm   



On Monday, January 28, 2019 at 8:45:04 AM UTC-5, Fox's Mercantile wrote:
Quote:
On 1/28/19 7:37 AM, pfjw_at_aol.com wrote:
Web-based software is useful to calculate parallel resistors
and such-like.

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


https://download.cnet.com/Ohm-s-Law-Free-for-Windows-10/3000-2121_4-77555568.html

That took less than a minute.

Peter Wieck
Melrose Park, PA

Adrian Tuddenham
Guest

Mon Jan 28, 2019 3:45 pm   



<tubeguy_at_myshop.com> wrote:

> Is there any Software to calculate Ohms Law and other electronics math?

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.


--
~ Adrian Tuddenham ~
(Remove the ".invalid"s and add ".co.uk" to reply)
www.poppyrecords.co.uk

Fox's Mercantile
Guest

Mon Jan 28, 2019 3:45 pm   



On 1/28/19 8:05 AM, pfjw_at_aol.com wrote:
Quote:
https://download.cnet.com/Ohm-s-Law-Free-for-Windows-10/3000-2121_4-77555568.html

That took less than a minute.


Thank you.


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

David Snowdon
Guest

Mon Jan 28, 2019 6:45 pm   



Go to < www.cq-amateur-radio.com/cq_ham_calc/cq_ham_calc.html > 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:
Quote:
tubeguy_at_myshop.com> wrote:

Is there any Software to calculate Ohms Law and other electronics math?

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.



---
This email has been checked for viruses by Avast antivirus software.
https://www.avast.com/antivirus


Guest

Mon Jan 28, 2019 6:45 pm   



On Monday, 28 January 2019 14:43:47 UTC, Adrian Tuddenham wrote:
Quote:
tubeguy_at_myshop.com> wrote:

Is there any Software to calculate Ohms Law and other electronics math?

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.


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

Look165
Guest

Mon Jan 28, 2019 8:45 pm   



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.

tubeguy_at_myshop.com a écrit le 27/01/2019 à 04:56 :
Quote:
Is there any Software to calculate Ohms Law and other electronics math?

I have never been good at Mathematics, once you put numbers over other
numbers, use alphabet letters in place of numbers, or talk about
squaring a number, I am completely lost. This is nothing new. Even in
high school I needed special help and barely passed algebra.

Yet, I have worked with electronics all my life. (55+ years). I usually
fInd the correct resistors by trial and error, using pots and decade
boxes. Or using meters for watts, amps, or volts.

Most of the time I see someone in a youtube video using this kind of
math, I skip the video. I just hate math and always will.

But I'd welcome a piece of software that would calculate simple ohms law
things like determining the resisitor size or amperage, etc.

Yes, I'm aware of websites that do that math, but I do not have internet
access in my shop, which is where I need this sort of thing.

Is there any software (preferably free) that I can put on my laptop PC
to do this? (Must be suitable for Windows XP SP3 Pro).

Google did not find anything except those online (web based)
calculators...


Jeff Liebermann
Guest

Tue Jan 29, 2019 12:45 am   



On Sat, 26 Jan 2019 20:36:55 -0800, Jeff Liebermann <jeffl_at_cruzio.com>
wrote:

Quote:
On Sat, 26 Jan 2019 21:56:44 -0600, tubeguy_at_myshop.com wrote:

Is there any Software to calculate Ohms Law and other electronics math?

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"?


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

<https://www.electronics2000.co.uk/download.php#assistant>
Ohm's Law is under the "other" tab.

<http://www.cainehorr.com/ohms-law-power-formula-calculator/>

<http://forums.aussievapers.com/e-cigarette-vaporization-hardware-discussion/24633-ohms-law-calculator.html>

Ohm's Law simulation:
<https://phet.colorado.edu/en/simulation/ohms-law>
(Required Java)

More possibles:
<https://www.google.com/search?q=ohms+law+calculator+windows&tbm=isch>

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

Jeff Liebermann
Guest

Tue Jan 29, 2019 12:45 am   



On Sat, 26 Jan 2019 20:36:55 -0800, Jeff Liebermann <jeffl_at_cruzio.com>
wrote:

Quote:


This probably the best of the bunch:

"Ohmite Ohm's Law Calculator"
<https://stevenjohnson.com/cardboard/images/ohmite-res-slide.gif>
<http://americanhistory.si.edu/collections/search/object/nmah_692574>
I could swear I have one, somewhere, maybe. Wannit if I can find it?

Roll your own modern slide chart calculator:
<https://www.datalizer.com>

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

whit3rd
Guest

Tue Jan 29, 2019 1:45 am   



On Saturday, January 26, 2019 at 7:56:49 PM UTC-8, tub...@myshop.com wrote:
> Is there any Software to calculate Ohms Law and other electronics math?

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.

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