Trachtenberg Multiplication

An educational app to teach the Trachtenberg method of multiplication, a system of rapid mental calculation. Created by Jakow Trachtenberg, a Russian Jew, while in a Nazi concentration camp.

Demo

Here for the Youtube demo. You can download the application from the Google Play Store here.

Features

  • Tutorials that explain the Trachtenberg method in detail
  • Practice problems
  • Hints that can be turned on or off to help users learn the method
  • Ad-free (test ads are served as a Proof Of Concept)

Technologies

  • Java
  • Android SDK
  • Trachtenberg Methodology

Screenshots

Image 1 Image 2 Image 3

Building

  • Open Android Studio. From the Welcome screen, select Open an existing Android Studio project.
  • From the Open File or Project window that appears, navigate to and select the android-trachtenberg directory. Click OK.
  • If it asks you to do a Gradle Sync, click OK.
  • With your Android device/emulator connected to your computer and developer mode enabled, click on the green Run arrow in Android Studio.

License

This project is licensed under the terms of the MIT license.