The Machinist’s Calculator software for PCs has been developed to quickly solve common machine shop trigonometry and math problems at a price every machinist can afford!# All calculations switch between inch and metric# Right angle and oblique trigonometry# Speeds and feeds, RPM to surface speed, etc.# Drill point and countersink depth# Drill size conversion charts# Tapping drill charts# Chord data calculations# Dovetail calculations# Bolt circles and grid layouts# Measuring threads with wire calculations# Hexagon and other regular polygon calculations# Ballnose cutter/surface finish calculations