Tuesday, May 5, 2015

Pocket Slide Rule

The pocket K&E Doric offers serious faster than a trig calculator navigation calculating power for time, speed, distance, eta, prime vertical, amplitude, and the radius of a horizontal sextant angle circle of position.

Circle of Position Radius Formula:

.5 (A to B)/Sin horizonal sextant angle = the radius of the circle of position. A, B, and radius are in nautical miles.