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