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!x
— generate values
+N
— compute positive
-N
— compute negative
.x
— dereference variable
/x
— check for null value
=s
— match string in scanning
?x
— generate random value
@C
— activate co-expression
\x
— check for non-null value
^C1
— create refreshed co-expression
|expr
— evaluate repeatedly
~c1
— compute cset complement
∗x
— compute size
Index of Function Types:
affects &pos
character sets
co-expressions
control structures
file processing
generators
infix operations
keywords
lists, sets and tables
math
metadata
output formatting
pattern matching
prefix operations
records
strings
windows and keyboards
Index of Subsystems:
base
digitcnt.icn
SNOBOL4 functions
base
—
math
dtor
convert degrees to radians
Description
r2 dtor(r1)
dtor
(
r1
) produces the radian equivalent of
r1
given in degrees.
Parameters
r1
an angle in degrees
returns
the angle in radians
Errors
102
r1
is not
real
See Also
rtod
— convert radians to degrees