McCray Optical Equations at App Store analyse

App power index: 100 (based on ranks around App Stores today)
Reference Medical
Developer: McCray Optical Supply Inc.
Price: 0 free
Current version: 1.0, last update: 7 years ago
First release : 11 Sep 2014
App size: 10.24 Mb
4.2 ( 9712 ratings )
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Estimation application downloads and cost

> 2.2k
Monthly downloads
~ $ 900
Estimation App Cost


The McCray Opticianry Equations app was designed to simplify the solving of equations for Opticians, Optometrists, Ophthalmologists and students alike.

This app contains over 100 related equations that an Optician or Optometrist may encounter throughout their academic and professional career. Use this app to quickly calculate both simple and complex equations including:
- Prentices rule
- Compensative power (Power as a function of Vertex distance)
- Pantoscopic tilt
- Wraps
- True Power and many more.

A simple and intuitive system allows you to pick your desired equation and solve for all variables. And a favorites section allows you to easily access frequently used equations. You can also solve for all variables in a given equation!
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Available in countries
Country Price
Canada 6.99 CAD
China 30 CNY
France 5.49 EUR
Germany 5.49 EUR
Italy 5.49 EUR
Netherlands 5.49 EUR
Portugal 5.49 EUR
Spain 5.49 EUR
Poland 5.49 EUR
UK 4.99 GBP
India 400 INR
Japan 600 JPY
Poland 23.99 PLN
Russia 379 RUB
Turkey 17.99 TRY
USA 4.99 USD
Korea, Republic Of 5.49 USD
Ukraine 4.99 USD
Available for devices
iPhone4, iPad2Wifi, iPad23G, iPhone4S, iPadThirdGen, iPadThirdGen4G, iPhone5, iPodTouchFifthGen, iPadFourthGen, iPadFourthGen4G, iPadMini, iPadMini4G, iPhone5c, iPhone5s, iPadAir, iPadAirCellular, iPadMiniRetina, iPadMiniRetinaCellular, iPhone6, iPhone6Plus, iPadAir2, iPadAir2Cellular, iPadMini3, iPadMini3Cellular, iPodTouchSixthGen, iPhone6s, iPhone6sPlus, iPadMini4, iPadMini4Cellular, iPadPro, iPadProCellular, iPadPro97, iPadPro97Cellular, iPhoneSE, iPhone7, iPhone7Plus, iPad611, iPad612, iPad71, iPad72, iPad73, iPad74,