Tag Archives: measure

VHF/UHF Antenna Line of Sight Calculator

Available in the App Store

The UHF/VHF Antenna Line of Sight app is a useful calculator to get the total line of sight distance for the Radio Horizon using the height of two antennas.

Also, the app can calculate EIRP using watts, dBw, and dBi.

Calculators

• Antenna Line of Sight
• EIRP
• Pure ERP

Area Converters

• Square Inches and Shorter Conversion
• Square Feet & Yards & Meters Conversion

Distance Converters

• Inches & Centimeters & Millimeters Conversion
• Feet & Yards & Meters Conversion
• Nautical Miles, Statue Miles and Kilometers Conversion

Volume Converters

• US/Imperial to Metric Units Conversion
• Metric to US/Imperial Units Conversion
• Inches & Centimeters Volume Conversion
• Feet, Yards, & Meters Volume Conversion

This app features:

• Send your calculations or conversions by email
• Universal App (iPhone, iPod Touch, and iPad)
• iOS 6 & 7 are supported
• iPhone 5’s 4 inch screen and the original 3.5 inch screen are supported
• Retina Display graphics
• Fast app switching
• Automatically Saves Your Inputs

No network connectivity required.

Available in the App Store

Date & Time Calculator with Math Expressions Evaluator

Available in the App Store

The Date & Time Calculator with Math Expressions Evaluator app is a straight-forward no-nonsense app to get the sum and convert a series of numbers and/or time expressions.

The Math Expression calculator built-in to the app features a text box for entering in your arithmetic as well as trig and log functions to be solved at the bottom of the screen. Search and replace functionality is designed to make it easier to update the input at the top of the screen.

The time calculator calculator functions as an old style tape calculator. As the numbers are added to the list as positive or negative values, the result is automatically generated and a history list is immediately updated and allows deletion of any row in the list.

Example – using the Days:Hours:Minutes:Seconds – format

Accumulated Times:
1:08:03:00
-0:05:06:00
-0:09:00:00

Calculated Time:
0:17:57:00

Time Expressions of time are entered in the D:HH:MM:SS format, and the touch interface of the iPhone/iPad/iPod Touch allows you to skip to the time unit of your choice or press the colon key to skip to the entry point using the convenient onscreen keypad for the best interactive application of problem.

This app features:

• Send your calculations or conversions by email
• Universal App (iPhone, iPod Touch, and iPad)
• iOS 6 & 7 are supported
• iPhone 5’s 4 inch screen and the original 3.5 inch screen are supported
• Retina Display graphics
• Fast app switching
• Automatically Saves Your Inputs

No network connectivity required.

Available in the App Store

This app is available for a discount to Apple-approved Education institutions through the Apple’s Volume Purchase Program.

Carats – Thickness and Weight

Available in the App Store

* Featured by Apple under ‘New and Noteworthy’ in iPad > Productivity

The Carats Calculator app is designed to calculate the carats of a gemstone using Eight-Six (86) different gemstone types and twelve (12) facet styles. This is done by estimating the specific gravity of the specific gemstone of the type selected as well as the size and facet style.

Carats

* Carats Weight (Grams / Carats / Points / Milligrams)
* Carats Size (Based on Girdle Length, Girdle Width, Depth, Stone type and Facet Style)

Gauge Thickness Converter

* Area Converter (Square Inches to/from Square Centimeters)
* Distance Converter (Inches to/from Centimeters)

Facet Styles (Listed in alphabetical order) :: Cabochon Cut, Emerald Cut Faceted, Marquise Cut Faceted, Oval Faceted, Pear Cut Faceted, Rectangular Cushions, Rectangular Faceted, Rectangular Step Cut, Round Faceted, Square Cushions, Square Cut Faceted, and Square Step Cut.

Gemstone Types (Listed in alphabetical order) :: Achorite, Agate, Alexandrite, Almandine, Almandine Spinel, Almandine-Spessartine, Amazonite, Amethyst, Andradite, Aquamarine, Balas Ruby, Black Opal, Bloodstone, Brazilian Emerald, Cairngorm, Carnelian, Cat’s Eye, Chalcedony, Chlorspinel, Chrome Pyrope, Chrysoberyl, Chrysoprase, Citrine, Color-Change Garnet, Demantoid, Diamond, Dravite, Emerald, Feldspar, Fire Opal, Garnet, Ghanospinel, Goshenite, Green Quartz, Grossular, Heliodore, Heliotrope, Hessonite, Hyacinth, Indicolite, Jade, Jadeite, Jargon, Jasper, Labradorite, Lapis Lazuli, Malaia, Matura Diamond, Moonstone, Morganite, Morion, Nephrite, Onyx, Opal, Orthoclase, Peridot, Peristerite, Praziolite, Pyrope, Pyrope-Almandine, Pyrope-Spessartine, Quartz, Red Beryl, Rhodolite, Rock Crystal, Rose Quartz, Rubellite, Rubicelle, Ruby, Sapphire, Sapphire Spinel, Siberite, Smoky Quartz, Spessartine, Spinel, Sunstone, Topaz, Topazolite, Tourmaline, Tsavorite, Turquoise, Uvarovite, Verdilite, Water Opal, White Opal, and Zircon

All results can also be emailed through the iphone’s email application using an automatically filled-in email template provided with the app.

All calculations are persistent state and are automatically saved when closing the app.

This is a Universal App which will run on an iPhone, iPod Touch, and an iPad.

Note: All information in this app is for informational purposes only.

Available in the App Store