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"Turning good electricians into great electricians!"
Nearly 200 formulas, calculators, plus Code reference material
for the
professional electrician. |
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LectriCalc
Stay Sharp On
National Electrical Codeฎ
and Trade Practices
LectriCalc follows USA NECฎ
2008. |
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Compatible With
Most Smartphones. |
Currently
being used by electrical contractors helping
to keep our troops safe in Iraq and Afghanistan. |
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The
LectriCalc/Master Bender Software Bundle
can solve over 90% of the math problems in the book
Mike Holt's Illustrated Guide to
Electrical NEC
Exam Preparation |
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LectriCalc 5.0 and
Master Bender Pro 2.3
Quantity
Discounts and Site Licenses available.
Contact

LectriCalc, particularly
when used in conjunction with Master Bender Computer- Aided
Bending, will permit all types of electricians, including
residential, commercial, industrial, construction and
maintenance to do many popular everyday calculations and
information lookup in seconds. Architects, engineers and
contractors will also find this information useful.
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UPGRADE INFORMATION
Click the appropriate "TRY
NOW" link above to download the software.
Registered users of
LectriCalc version 5 just need to download and install the latest
trial
version of LectriCalc to be updated.
Registered
users of
LectriCalc version 4 can upgrade to
version 5 for
$20, and users of versions older than version 4 can upgrade
for $25.
To request your upgrade, click HERE. |
LectriCalc
LectriCalc Code
Calculator
v5.0
for Palm OS & Windows Mobile
Current Version:
5.0.08
Last Update:
April 7, 2009
Update
History
Master
Bender
Pro
Computer Aided Bending
v2.3 for
Palm OS and Windows Mobile
Current Version:
2.3
Update
History
Master Bender Pro
is available
alone or bundled with LectriCalc at a special price. |
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LectriCalc 5.0 Features
(also available:
LectriCalc Lite...
fewer features, but only $34.95.
Many features of LectriCalc 5.0
but no Amp Capacity,
no Box Fill,
no Motor Data, no Impedance,
no Transformers, no Wire Cost, no Code-A-Day,
less powerful Conduit Fill
and
Voltage Drop calculators,
less powerful Grounding Conductor
and Foot-Candle calculators,
smaller references section.)
Compatible Palm OS Devices:
LectriCalc and Master Bender are compatible
with all modern Palm OS handheld computers.
Minimum OS version is Palm OS 3.3
LectriCalc and Master Bender together require 1.4 MB free memory.
The LectriCalc installer takes another 500 KB. You can store the
installer on your SD card to make beaming LectriCalc to friends easy, or
you can delete the installer after installation.
The handheld can have either low resolution or
high resolution display, color or not.
Compatible Pocket PC
& Windows Mobile Devices:
LectriCalc and Master Bender are compatible
with all modern Pocket PC/Windows Mobile handheld computers with the
following exceptions:
-
The square
screens on the Palm Treo 700w and Treo 750 cause screen
font problems we have not overcome.
-
If you
have a Windows Mobile handheld with a "touchscreen", our software
will probably run fine on it. If your handheld doesn't have a
touchscreen our software may not work for you. If your handheld does
not have a touchscreen, you may still be able to run the Palm OS
version of LectriCalc and Master Bender on your Windows Mobile
handheld by installing StyleTap on your handheld. More
information on StyleTap is
HERE.
Minimum
OS version is PocketPC 2002 LectriCalc and Master Bender together
require
1.4 MB free memory.
Future Plans
Current plans for future enhancements to LectriCalc include...
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See Full Feature List
HERE
- NEW in v5:
IEEE 141 Exact Voltage Drop calculation in a new Impedance
calculator. This engineering-grade voltage drop formula is used for
1 phase and 3 phase circuits and calculates:
- IEEE 141 Voltage Drop
- Resistance
- Reactance
- Effective Z (Impedance)
- NEW in v5:
Single Phase, Three Phase Delta and Wye Transformer calculators.
These new calculators can make 30 different transformer
calculations
- NEW in v5:
Wire Cost calculator. Easily calculate the value of copper
and aluminum wire to see how much the waste is costing you.
- ENHANCED in v5.0 Motor Data Calculator - Items calculated from data you enter:
FLC Wire Size - minimum size permitted Overcurrent Protection Device (OCP) -
absolute maximum
permitted and/or
if motor does not start NEMA Starter Size Overload Fuse (if FLA is entered from the motor plate) Disconnect Size Heater Size
NEW: Multi-motor
calculation capability
NEW: Locked rotor current
calculation
- ENHANCED in v5.0 Ampacity Calculator - finds ampacity of wire with
optional termination, and derating inputs (wire bundling adjustment
and temperature correction). The result is minimum wire size and
maximum overcurrent protection device.
NEW: UP/DOWN button beside Conductor
Size in lower right corner pops up a wire size selector that lets
user pick any wire size and see its ampacity, using the current
screen settings.
NEW: "Par." checkbox allows calculation
of Parallel Ampacity.
NEW: Metric Wire Size output.
NEW: Rooftop ambient temperature
correction factor, per NEC 2008 change.
- ENHANCED in v5.0 Conduit Fill Calculator - includes over 60 wire types of all
sizes, calculates how much fill you can use in numerous conduit
types and sizes. Also handles nipple fill. Also will calculate
maximum number of wires, all the same size, that can go in a given
size conduit.
NEW: UP button beside recommended
conduit in lower right corner displays information about using the
current wire fill in a larger conduit than is really needed (in case
that's all you have on hand).
NEW: RMC Hazardous Seal and GRC
Hazardous Seal have been added to conduit types list.
NEW: Added Metal and Non-Metal
Auxiliary Gutter fill calculations to conduit types list.
NEW: Added Metal Cable Tray fill
calculations for conductor sizes 1/0 and larger.
NEW: Added Conduit Body information for
conductors size 6 and smaller.
NEW: Added Wire-Bending Space allowance
table for sizes 8 and larger.
NEW: Conduit Fill Calculator now
displays information about the currently selected conductor: Area in
sq. mm and sq. in. and Diameter in mm and inches.
- ENHANCED in v5.0 Voltage Drop Calculator - quickly suggests the best size
AWG or Metric conductor for the job youre doing. It also offers voltage drop for
all other sizes of conductors for comparison. Takes into
consideration power factor, solid or stranded wire, temperature
range (in Fahrenheit or Celsius), and more.
- Also includes alternate voltage drop
calculator optimized for metric applications.
- Also includes alternate voltage drop
calculator designed for installers of low voltage lighting.
NEW:
Voltage Drop Calculator was modified to offer
both the previous, advanced version that considers copper/aluminum,
solid/strand, and temperature, and also a basic calculator that does
not consider wire type or temperature. Some state regulations
mandate use only of a basic calculator. Also see new IEEE 141
Exact Voltage Drop calculation available in the new Impedance
calculator. This engineering-grade voltage drop formula is used for
1 and
3 phase circuits.
- ENHANCED in v5.0 Grounding Conductor Calculator - calculates AC GEC Size based on
wire size entered. Calculates EGC Size based on amps entered. This
calculator now shows GEC for both copper and aluminum.
- ENHANCED in v5.0 References Section - includes many formulas, tables, and
diagrams helpful to the electrical professional. Also has Electrical
First Aid section.
NEW:
Added nearly 200 electrical symbols.
NEW:
Added conduit weights table.
NEW:
Added tables on Pressure Twist-On Wire Connector
color information based on the mix of conductors being connected.
List of
formulas and tables in LectriCalc
- Code-A-Day - A self-test question and
answer module that lets you review the National Electrical Codeฎ and
learn to use LectriCalc at the same time. Answer just one or more questions a
day (hundreds of questions available for free download) and you'll
learn a lot, painlessly!
- Box Fill Calculator - indicate the mix of wires, clamps,
hickeys, studs, grounds, and devices in the box and the calculator
shows best box match, as well as other usable boxes. Optionally,
select the box you want to use and the calculator will tell you if
your desired fill will fit. Also handles adding extension rings and
covers.
- Foot-candles calculator - helps you determine the size light
source needed to produce desired lighting at a given distance.
- Kilowatts/Horsepower Calculator -
enter amps, voltage, efficiency, and power factor and the software
will display DC, AC single and 3-phase KW and HP.
- Wattage/Kilovolt-Amps Calculator -
enter amps, voltage and power factor and calculator tells AC single
and 3-phase KVA.
- Energy Cost Calculator
- quickly display cost to run lights (or other appliances) per day,
week, month and year.
- Amps Calculator - Calculates amps if
you supply volts plus watts or KVA or KW or HP.
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LectriCalc includes Code-A-Day,
a self-test question and
answer module that lets you review the National Electrical Codeฎ and
learn to use LectriCalc at the same time. Answer just one or more questions a
day (hundreds of questions available for free download) and you'll
learn a lot, painlessly! When you leave Code-A-Day then return
later, you'll be right where you left off.
We plan to post new question sets here, about one set a
month.
Return to this website occasionally to check for new question set
releases.
To download a question set, click its name below. (All question sets
are already included in the current LectriCalc 5.0 download.)
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LectriCAD1 (100 general questions) |
LectriCAD3* (8 pump
motor questions) |
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LectriCAD2* (25
motor data questions) |
LectriCAD4* (67
general electrical/math questions) |
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*Requires LectriCalc v4.1.02
or above. Download current Palm OS version
HERE or Windows Mobile version
HERE. |
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Master Bender Pro 2.3
Computer Aided Bending
Features
The only electrical conduit
bending software available for the handheld computer!
Compatible Palm OS Devices:
LectriCalc and Master Bender are compatible
with all modern Palm OS handheld computers.
Minimum OS version is Palm OS 3.3
LectriCalc and Master Bender together require 1.4 MB free memory.
The LectriCalc installer takes another 500 KB. You can store the
installer on your SD card to make beaming LectriCalc and Bender to
friends easy, or you can delete the installer after installation.
The handheld can have either low resolution or
high resolution display, color or not.
Compatible Pocket PC
& Windows Mobile Devices:
LectriCalc and Master Bender are compatible
with all modern Pocket PC/Windows Mobile handheld computers with the
following exceptions:
-
The square
screens on the Palm Treo 700w and Treo 750 cause screen
font problems we have not overcome.
-
If you
have a Windows Mobile handheld with a "touchscreen", our software
will probably run fine on it. If your handheld doesn't have a
touchscreen our software may not work for you. If your handheld does
not have a touchscreen, you may still be able to run the Palm OS
version of LectriCalc and Master Bender on your Windows Mobile
handheld by installing StyleTap on your handheld. More
information on StyleTap is
HERE.
Minimum
OS version is PocketPC 2002 LectriCalc and Master Bender together
require 1.4 MB free memory.
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Master Bender is a program for aiding you in
bending conduit raceways. It takes the math out
of bending and allows you to concentrate on the
task at hand. Master Bender uses a more precise
conduit bending algorithm than commonly used in
the industry. Most people use the cosecant
method that has been around for years. However,
using the cosecant method for conduit angles
larger than 30 degrees and conduit sizes between
1ผ and 6 inches will cause large errors.
Master Bender's
algorithms automatically compensate for shrink
for any angle, and Master Bender takes the
characteristics of the bender into account. The
results are far more precise than is possible
using the cosecant method.
Bending conduit using Master Bender is easy:
Select the bender tool and the type of bend,
enter the angle, the distance to the object and
the object height, and Master Bender instantly
gives you the results in feet, inches and
fractions of inches to the nearest 1/16th of an
inch.
Master Bender 2.3 includes:
- Supports over 80
hand, mechanical, electric (sidewinder), and
hydraulic benders plus custom benders.
- Shrink and gain
automatically corrected.
- 90 degree bends and
back to back bends.
- Offset bends, Three
Point Saddle bends, Four Point Saddle bends,
Compound 90 degree bends, Segment bends,
Concentric bends, and Parallel bends.
- Gain & Take-up
computations.
Besides aiding you in
bending of conduit raceways, Master Bender also
helps you perform other common tasks for
electricians:
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NEW
Scientific calculator with trig, power,
logarithms, constants, conversions, and
more.
- DC and AC
calculations of Ohm's Law.
- Power formulas for
computing horsepower, kilowatts, and
volt-amps.
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NEW
Unit conversions of more than 250 units in
19 categories.
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NEW
Series and parallel circuits computations of
resistance, capacitance, inductance, and
impedance.
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NEW
Reactance computation -- both capacitive and
inductive.
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NEW
Locked rotor current.
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NEW
Master Bender includes a Windows
desktop/laptop version in addition to the
handheld version.
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ENHANCED
Tables of the sizes of
the common conduits, drills and taps, and (NEW)
lug torque.
- "Cheat-sheet" for
bending using the cosecant method.
Note:
Master Bender is not an Arkansoft product. We just
distribute it. If you have questions regarding
installing and using Master Bender, contact
info
(at) paweng.com
Future Plans
Current plans for future enhancements
to Master Bender include...
- Voltage
Separation Distances for cabinets-in front of
& separation plus outdoors- Underground and
Overhead
- ARC Flash
Calculator
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TESTIMONIALS |

Just got my new
Palm Centro smartphone for 49.95$ and it does everything for
an electrician.
The time is
synced, it shows seconds, and is accurate to less than 2
seconds to GMT. Also I can do Google Maps that find my
location like GPS.
Best of all
the electricians software is engineering grade and can do
most common calculations in seconds with software that costs
a fraction compared to other programs that cost 300-500$ or
more.
One can
design, build, double check in-the-field complete raceway
systems such as conduits, wireways, aux. gutters, cable
trays, conduit bodies, pull boxes, std. boxes and more.
The big 5
calculators are included Voltage drop, Ampacity, EGC/GEC,
Conduit Fill and Motor Data.
Also there
is an Ugly's style pocket reference, a trig, simple and
fractional calculator included.
I would
highly recommend this product to any type of electrician
industrial, commercial and/or residential.
L.H.- Hayward
,CA |
"With Arkansoft's
recent IBEW special, I was able to get both the software and
my Palm Z22 handheld PDA for less than $100!
I like that the calculator is easy to use and how I can go
between LectriCalc and Master Bender with ease. There's a
fractional, simple and trig calculator built in, plus much
reference material. The module I use a lot is conduit fill,
and it has over 60 wire types for various raceways!
The software is Internet-upgradable so I've received a lot
of free updates and I use the handheld computer daily in the
field. I would recommend this product to all electricians
and those who are getting into the trade."
R. E. Rogalski -Campbell, CA |
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Wireless Customers* can run LectriCalc
on Smart Phones like the $49.99 Palm Centro!
Need a recommendation
on a handheld computer
to run this software from your pocket? Click
HERE.
*Currently available from Sprint, AT&T,
Verizon, Alltel and perhaps others. |
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PALM
OS VERSION DOWNLOAD AND PURCHASE OPTIONS
Free
Download: Trial version LectriCalc 5.0 Palm OS
Free
Download: Trial version Master Bender
Pro 2.3 Palm OS
and Windows
These downloads include the programs for Palm OS
handhelds as well as a Master BenderWindows Desktop/Laptop version & user's manuals
...purchase registration keys below to convert trial versions to
registered.
Free
Download (PRC only): Trial version LectriCalc 5.0 Palm OS and Master Bender
Pro
2.3 Palm OS
This download includes both programs only, as a PRC file ready to
install on your Palm OS handheld...the manuals are available separately
from the link below...purchase registration keys below to convert trial
versions to registered.
Free Download:
LectriCalc 5.0 and Master Bender Pro 2.3 User's Manuals Only
A handy way to check out the software
even if you don't yet have a handheld computer.
PURCHASE
LECTRICALC FOR PALM OS AND/OR MASTER BENDER PRO FOR
PALM OS AND WINDOWS DESKTOP/LAPTOP |
IMPORTANT: In order to
generate the correct registration keys for your device, we must
have your EXACT device HotSync Name as displayed in the upper
right corner of the device HotSync screen.
In HotSync Names, capitalization counts and spaces count. For
more information and helpful graphic images on using Arkansoft
registration keys, visit our website Help Pages on
Registration and
Keys.
You will need to
download the free software above, install it onto your device,
then enter the
registration keys you purchase below to convert the trial version
to registered software. |
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BUY LectriCalc 5.0 for
Palm OS and
Master Bender Pro 2.3 for both Palm OS and Windows
BUNDLED TOGETHER: $129 (US)
(purchase includes free Master Bender
Windows
Desktop version)
Buy Now
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BUY just LectriCalc 5.0 for
Palm OS:
$59.95 (US)
Buy Now |
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ARKANSOFT TERMS OF SALE
Your custom
registration key will appear on the screen at the completion of
the purchase process. Be sure to take note of it. We will also
send a purchase confirmation e-mail containing your registration
key. Be
sure "sales" @arkansoft.com and "support" @arkansoft.com are
added to your spam filter "friends" list so our e-mail can get
through to you.
All Arkansoft software products have a free trial version
available. By purchasing the software you acknowledge that you
have already tried the software, it works for you, and you want
to buy it, or that you willingly buy it without an advance
trial. Software cannot be returned, so we do not offer refunds.
Prices listed assume your will receive your software and
registration information via the Internet. If you want us to put
your software on CD and ship it to you, we can but it will cost
extra. Click
HERE to send us a message about what you need and
we'll get you a price quote. |
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WINDOWS MOBILE VERSION DOWNLOAD
AND PURCHASE OPTIONS
Free Download:
Trial version LectriCalc 5.0 Windows Mobile
Download includes LectriCalc for Windows Mobile
(Pocket PC) handhelds
& user's manual...purchase registration keys below to convert trial
versions to registered.
Free Download:
Trial version Master Bender Pro 2.3 Windows Mobile
Address Master Bender
installation and support questions to: info (at) paweng.com.
Download includes Master Bender for Windows Mobile (Pocket PC) handhelds
and Windows Desktop/Laptop
& user's manual...purchase registration keys below to convert trial
versions to registered.
Free
Download:
LectriCalc 5.0 and Master Bender Pro 2.3 User's Manual Only
A handy way to check out the software even if you don't
yet have a handheld computer.
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PURCHASE LECTRICALC
FOR WINDOWS MOBILE
AND
MASTER BENDER FOR WINDOWS MOBILE (POCKET PC)
AND WINDOWS DESKTOP/LAPTOP |
IMPORTANT: In order to
generate the correct registration keys for your device, we must
have your EXACT device "Owner Name" as it is displayed on the
device's "Today Screen".
In Owner Names, capitalization counts and spaces count. For more
information and helpful graphic images on using Arkansoft
registration keys, visit our website Help Pages on
Registration and
Keys.
You will need to
download the free software above, install it onto your device,
then enter the
registration keys you purchase below to convert the trial version
to registered software. |
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BUY LectriCalc 5.0 for
Windows Mobile
&
Master Bender Pro 2.3 for
both Win Mobile and Windows
BUNDLED TOGETHER: $129 (US)
(purchase includes free Master Bender
Windows
Desktop version of the software)
Buy Now
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BUY just LectriCalc 5.0 for
Win Mobile:
$59.95 (US)
Buy Now
|
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ARKANSOFT TERMS OF SALE
Your custom
registration key will appear on the screen at the completion of
the purchase process. Be sure to take note of it. We will also
send a purchase confirmation e-mail containing your registration
key. Be
sure "sales" @arkansoft.com and "support" @arkansoft.com are
added to your spam filter "friends" list so our e-mail can get
through to you.
All Arkansoft software products have a free trial version
available. By purchasing the software you acknowledge that you
have already tried the software, it works for you, and you want
to buy it, or that you willingly buy it without an advance
trial. Software cannot be returned, so we do not offer refunds.
Prices listed assume your will receive your software and
registration information via the Internet. If you want us to put
your software on CD and ship it to you, we can but it will cost
extra. Click
HERE to send us a message about what you need and
we'll get you a price quote. |
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