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¤t
— current co-expression
&main
— main co-expression
&source
— source co-expression
@C
— activate co-expression
^C1
— create refreshed co-expression
create
— create co-expression
display
— display co-expression variables
x@C
— transmit value to co-expression
x{x,…}
— process argument list as co-expressions
Index of Function Types:
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Index of Subsystems:
base
digitcnt.icn
SNOBOL4 functions
base
—
math
tan
compute tangent
Description
r2 tan(r1)
tan
(
r1
) produces the tangent of
r1
radians
.
Parameters
r1
angle in
radians
, not π/2
returns
tangent of
r1
Errors
102
r1
is not
real
204
r1
singular point of tangent
See Also
atan
— compute arc tangent