KwikTrig - Version 2.1.2 With minimal user input, KwikTrig graphically displays answers to your trigonometry problems. It solves for RIGHT and OBLIQUE triangles, BOLT CIRCLES, calculates SINES and COMPOUND SINES and converts Inches to Millimeters and/or Millimeters to Inches. It alsogives the user the option to use decimal degrees or degrees/minutes/seconds for input/output on allcalculations. The user can round numbers from 1 to 15 decimal places, however 15 decimal places areused in all calculations to eliminate rounding errors.