Share Email Facebook Twitter LinkedIn Syntax and Functions Reference (CAL and QUICKCALC Commands) Lists information about the syntax and functions for use with the CAL and QUICKCALC commands. General Information About How Expressions Are Evaluated Use System Variables in Calculations Use Standard Numeric Functions Use Shortcut Functions Use AutoLISP Variables Specify or Determine Measurements Format Feet and Inches Format Angles Convert Units of Measurement Calculate a Distance Obtain a Radius Obtain an Angle Specify Points or Vectors Use Points and Vectors Calculate a Vector From Two Points Calculate the Length of a Vector Obtain a Point by Cursor Obtain the Last-Specified Point Calculate a Normal Vector Convert Points Between UCS and WCS Calculate a Point on a Line Rotate a Point About an Axis Obtain an Intersection Point Use Snap Modes in Arithmetic Expressions Related Concepts About the Command Prompt Calculator Related Reference CAL (Command)