manual:chapter6:angles:cmd_angtorad [newRPL User Manual]

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Convert an angle to radians

Legend

Legend	Object type
O	Any object
I	Integer number
R	Real number
#	Binary number
Num	Scalar (Integer, Real or Binary number)
Z	Complex number
U	Unit
∡	Angle
A	Symbolic expression
C	Symbolic constant
V	Vector
M	Matrix
S	String
1/0	Any expression evaluating to True or False
G	Grob
F	Font
D	Binary data container
T	Tag object
L	List
cL	Case list
N	Variable name / Identifier
Dir	Directory
pDir	Packed Directory
P	Program
Lib	Library

The A→∡r command turns a scalar or a suitable component of a composite object into an angle measured in radians.

In particular, if the component is:

a scalar, then the number is interpreted as an angle in the current angular mode and converted to radians.
a rectangular complex number, nothing happens;
a polar complex number, then the angular component is converted to radians;
an angle, then the angle is converted to radians;
a vector, then any angle or polar complex number but not scalars is converted to radians as per above rules.

This command is new in newRPL and does not exist in userRPL.

1:  [ #2h ∡20g (1,2) (3,∡5.3d) ]
……………………………………………………………………………………
A→∡r

will result in

1:              [ #2h ∡0.31415.r
          (1,2) (3,∡0.09599.r) ]
……………………………………………………………………………………

Operations with Angles 11 NEW

Command	Short Description
→∡°	Mark a number as an angle in degrees	NEW
→∡r	Mark a number as an angle in radians	NEW
→∡g	Mark a number as an angle in grads (gons)	NEW
→∡d	Mark a number as an angle in DMS (DD.MMSS)	NEW
A→∡°	Convert an angle to degrees	NEW
A→∡r	Convert an angle to radians	NEW
A→∡g	Convert an angle to grads (gons)	NEW
A→∡d	Convert an angle to DMS (DD.MMSS)	NEW
→RECT	Convert vector or complex to cartesian coordinates	NEW
→POLAR	Convert vector or complex to polar coordinates	NEW
→SPHER	Convert vector or complex to spherical coordinates	NEW