myExpressionCalculator at App Store analyse

App power index: 174 (based on ranks around App Stores today)
Business Utilities
Developer: superllanboy
Price: 0 free
Current version: 2.0, last update: 6 years ago
First release : 25 May 2011
App size: 39.94 Mb
4.2 ( 4672 ratings )
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Estimation application downloads and cost

> 3.83k
Monthly downloads
~ $ 1.57k
Estimation App Cost


Calculator is a simple yet efficient calculator for iPhone or iPad that works in both simple and scientific format.

In the portrait orientation the calculator works just like a simple desktop electronic calculator.

Normal operations + - * / are supported with the addition of a % key for calculation of percentages.

There are memory functions, with the memory value being displayed to allow you to keep track of the stored value.

Display format includes thousands separators when necessary, and exponential notation for larger numbers.

Decimals calculate to 10 places as standard but future releases will include a configurable output.

In the Landscape orientation the calculator allows the entry of mathematical expressions.

The standard unary operations of + - * / are supported, with similar features to the portrait mode calculator including memory and recall functions which are also displayed.

The calculator uses algebraic logic in this mode, so calculates in a different way to the simple calculator in portrait mode.

For example 2+5*3 = 21 in portrait mode
but in landscape mode arithmetic rules of precedence apply giving a calculation as follow 2+5*3 = 17
Most users will realise this calculation follows "BODMAS" rules of logic.

Additional features in this mode include scientific functions

Sin,Cos,Tan,aSin,aCos,Atan are the Trigonometric operations.

Log,Log2,Ln,Exp are the Logarithmic operations.

Pow,Sqrt handle indices and squares.

Deg,Rad handle conversion between radians and degrees

Bracket keys allow the formulation of more complex nested expressions like :

(((23+4)*sin(23)/13+2^4))) = 14.2424653144

The calculator tries to limit the mistakes caused through incorrect bracket or expression entry, and will repair bracket errors where it can, but will create a warning for invalid expressions or calculations it doesnt understand.

A useful info screen is included which explains the basic functionality and helps the user to utilise the calculator to its full potential.

The calculator is great for simple mathematics but also versatile allowing much more complicated computation for the more demanding user.

Additional functionality will be added in future releases.
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Available in countries
Country Price
Canada 1.39 CAD
China 6 CNY
France 1.09 EUR
Germany 1.09 EUR
Italy 1.09 EUR
Netherlands 1.09 EUR
Portugal 1.09 EUR
Spain 1.09 EUR
Poland 1.09 EUR
UK 0.99 GBP
India 79 INR
Japan 120 JPY
Korea, Republic Of 999.99 KRW
Poland 4.99 PLN
Russia 75 RUB
Turkey 6.99 TRY
USA 0.99 USD
Korea, Republic Of 1.09 USD
Ukraine 0.99 USD
Available for devices
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, iPhone8, iPhone8Plus, iPhoneX,