1. aydjc's Avatar
    I'm the author of this app and it is one of the last 32 apps of Next App Star competition. Because I only know Chinese & English language and Facebook or Twitter can't be visited in China, I can't promote it in other countries, so I am writing this message to seek your help. I have post the news to WPCentral twice using Contact | Windows Phone Central, but no one reply me. Can any one help me promote it? Thank you very much for your kindly help.

    Although it is one of the Top5 paid apps in USA, China & Hong Kong SAR, almost no people download it in other countries, so I decided to make it free for at least one week in other countries' Marketplace.
    This is the best
    Graphing Calculator for Windows Phone and it is FREE now in almost all the countries (except USA, China & Hong Kong SAR)!




    You can find it from: Grapher Calculator | Windows Phone Apps+Games Store (United States).

    Users of USA, China or Hong Kong SAR can use the lite version or trial version of it.

    It supports:
    - includes a powerful and easy to use scientific calculator
    - cartesian, polar ,parametric & implicit functions plot
    - save functions image to picture
    - polynomial & linear system solver
    - save calculation history
    - radians and degrees angle modes
    - pinch to zoom and drag for scrolling the graph in real time
    - unlimited amout of equations added and plotted simultaneously
    - customizable graph colors
    - function tracing in cartesian
    - graph view supports both portrait and landscape
    - functions: sin, cos, tan, log10, ln, sinh, cosh, tanh, asin, acos, atan, asinh, acosh, atanh, √, 3√, rand, abs, sgn, fac, sfac, round, fpart, ceil, floor
    04-26-2013 11:22 PM
  2. Jazmac's Avatar
    Not free in the US? Meaning we MUST pay by law?
    04-27-2013 12:44 AM
  3. Ianhosoosiang's Avatar
    Check out Software Licensing Solutions for Mobile Apps | Lotaris , i understand that if you utilize their in-appCommerce platform to sell your app, they do participate in helping you promote your apps.

    Hope this helps.
    05-09-2013 03:15 AM

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