RomanLangrehr's account

Developer information

Roman Langrehr

RomanLangrehr's applications

Electric Tangram Electric Tangram v1.4.0.1

Electric Tangram is a Brain & Puzzle-Game, where you have to finish an electric circuit. The goal is to make the light bulb glow and fill all the gaps. (But you don't need to connect all tiles!)

At the moment, there are 45 levels (more coming soon!). To unlock a level, solve the one before.


GPS Coordinates Converter GPS Coordinates Converter v2.2

In this app you can convert GPS coordinates from "degrees, minutes, decimal seconds" to "degrees, decimal minutes" and "decimal degrees".(And the other way round)


Linear Equations Linear Equations v1.2

This app calculates from the coordiantes of two points the equation of a line.

Enter the coordinates in the fields and tap the button to get the equation "mx+n".


Quadratic Equation Quadratic Equation v1.3

This app solves quadratic equations (ax²+bx+c=0), so you get the points where y=0. When you write in the first box a 0, you can also get the zero points of a linear equation.


Random Generator Random Generator v2.2

This app selects a person/option/thing by lot.
When you want, for example, a chance from 2:1, just enter in two textfields the same thing.


Report Forecast Report Forecast v2.2.10

This app is made for students/pupils. With this app you can save all grades/marks you get and the app calculates your report.

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