Roman Langrehr

In this app you can convert GPS coordinates from "degrees, minutes, decimal seconds" to "degrees, decimal minutes" and "decimal degrees".(And the othe …

You can't decide between two things? You and your siblings are fighting, because of the last piece of cake? No Problem!This app selects a person/o …

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 poin …

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 …

Operation Sunrise is a free Sci Fi action game. The sun disappeared and it's your job to execute Operation Sunrise and to rescue the world and mak …

In diese App kannst du alle Noten die du als Schüler in der Schule bekommst eingeben, und die App berechnet dann deinen Notenschnitt, damit es im Zeug …

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 equati …