Laurie Davis Published Applications :

CoPilot is a multi-leg flight planning program for general aviation pilots. CoPilot performs detailed time, distance, heading, fuel, and weight & balance calculations.

A free (worldwide)...
Navigator is an instrument training program for general aviation pilots. It operates in two modes.

In learn mode you move and/or rotate the items on the map (VOR 1, VOR 2, NDB, aircraft)...
CheX was invented by George Robertson, a 97 year old computer enthusiast. He developed a paper based version of the game over a two year period with the assistance of his son Glenn. George then...
Siding a wall, shingling a roof, laying patio stones? One of the challenges is where to place the individual items so that they are all evenly spaced and the last one ends up in the right place....