The Machinist €™s Calculator software for PCs has been developed to quickly solve trades 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; Go to the features page for full descriptions. After calculations are made, the data may be printed from the users computer. The coordinates produced in the grid or bolt circle applications can also be copied to the clipboard for pasting into a text editor.