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Roman Langrehr

Apps:

Download GPS Coordinates Converter GPS Coordinates Converter icon
GPS Coordinates Converter

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.) You can also locate your phone and read / convert the coordinates. This is usefull, because many navigation systems support only one form as input.

Free 111 7.4

7.4 Users
rating
Download Report Forecast (for School) Report Forecast (for School) icon
Report Forecast (for School)

This app is made for students/pupils. With this app you can save all grades/marks you get and the app calculates your report. Handling: With "+" button you can add subjects. With the small "+" button next to a subject you can add grades/marks. With the "X" you can delete a subject and when you tap on a subject see a l…

Free 107 6.2

6.2 Users
rating
Download Electric Tangram Electric Tangram icon
Electric Tangram

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 (like in Classic Tangram). (But you don't need to connect all tiles!) Control: Move a tile from the lower part of the screen in the playing field. Tap it shortly to rotate it. A tile always…

Free 80 7.2

7.2 Users
rating
Download Quadratic Equations Quadratic Equations icon
Quadratic Equations

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. When the checkbox in menu-> Settings is checked, you also get complex numbers as results. When you want an older version of this app, visit my website (link down). At the…

Free 10 7.4

7.4 Users
rating
Download Linear Equations Linear Equations icon
Linear Equations

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".

Free 7 7.8

7.8 Users
rating

Summary:

Roman Langrehr has 6 apps available in Google Play.

Roman Langrehr first app (Quadratic Equations) was published 4 years ago and the last one (Report Forecast (for School)) was published 4 years ago .

Android total downloads for Roman Langrehr apps sum 42000 (the most downloaded Random Generator for Android).

The average users' rating for Roman Langrehr apps is 3.55/5.

Google Play categories distribution:

  • -1 apps in the category Puzzle
  • -1 apps in the category Education
  • -1 apps in the category Lifestyle
  • -3 apps in the category Tools