HP 3000 Manuals

HP Business BASIC/XL Reference Manual

GRAD 

The GRAD statement indicates that angular units will be specified in
Grads.  The default is Radians.  A Grad is 1/400 of a circle.  This
statement is used with trigonometric functions.

Syntax 

GRAD

Example 

     10 Radius = 10
     20 GRAD
     30 Area = PI * Radius**2
     40 PRINT Area

MPE/iX 5.0 Documentation