Different speeds for HP-41CX and HP-41CV

[Geoff Quickfall]

Then there is the 41CX versus 41CL beta board comparison:

Video one is a data base search and display, calc on left CL, calc on right CX:

https://youtu.be/ZK7VPqdyx2U

Video two is a data base search with a great circle formulae execution. The data base search looks up the Airport input and retrieves the Lat/Lon from the data base in extended memory, prompts for Ground Speed, then runs it through the GC routine to determine distance, track and estimated time on route:

https://youtu.be/37BBEY4AbQs

Geoff