The App supports you during an Old- or Youngtimer Rally to find the SHOULD-Times dependend on a given average speed and distance and is basic equipment participating in rallies.
Functions
+ Enter average speed between 0 and 72 km/h
+ Displays fully kilometers in the left column (until 1 hour) and right hand (+1h)
+ Displays running one hundred meters in top row
You "classically" get the SHOULD-TIME in the crossing point from the kilometers in the row and the additional hundred meters in the top column
I wish you lots of fun..