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Navigation Pac

We have found a unit of Navigation Pac. This time we have found the manual too!

There was a time when many pilots crossed the world with a HP41 with either the navigation pac or their own software. Among them, Geoff Quickfall, Air Canada pilot and the person that knows most about repairing HP calculators in the world!

The pac and manual include the following routines:

  • Course planning programs - including the great-circle calculations
  • Celestial navigation programs, including all included stars and planets used in the Nautical Almanac.
  • Other subroutines including calendar functions, coordinate conversions, etc.


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