U ser 's GUide — 1M ACHINIST C ALC ™ ANDM ACHINIST C ALC ™ PROThe Machinist Calc™ Machining Math and Reference Tool (Model4086) and the Machinist Calc™ Pro Advanced Machining Math andReference Tool (Model 4087) both provide fast, precise solutionsfor your every day machining calculations. With the Machinist Calc/Machinist Calc Pro you will spend less time looking up your most-needed calculations on charts, in books or on the Internet andmore time machining.This User’s Guide has definitions, examples and instructionsfor both calculators. Information specific to a particular modelis indicated in the Table of Contents and throughout the User’sGuide.Both calculators will provide you with hundreds of machining-specific calculations, including:• Cutting Speed, Spindle Speed (RPM)• Feed Rate, Cutting Feed, Feed per Tooth (Chip Load)• Built-in Drill and Thread Size reference tables• Bolt Pattern hole layouts• Work in and convert between U.S. and Metric units, including:• Decimal Inches/Mils• Feet-Inch-Fractions• m, mm, cm• Area, Volume and WeightIn addition, the Machinist Calc Pro (Model 4087) has:• Advanced Built-in Drill and Thread Size reference tables• Drill Point Cut Depth solutions• Wire Sizes and 3-Wire Measurements• Advanced Bolt Pattern hole layouts with center x, y coordinate• Right triangle math• Trigonometric solutions
