Leica tps1100, Руководство пользователя, Страница: 344 / 1154

GeoB
ASIC
Reference Manual 5.Standard Functions
5-22 TPS1100-Version 1.30
DIM dNumber AS Double ' Declare variables.
dNumber = 2.0
IF dNumber < 0.0 THEN
WRITE "Cannot determine the square root " +
"of a negative number!"
ELSE
WRITE "The square root of " + Str$(
" is " + Str$(Sqr(dNumber)) + "."
END IF
5.5.9 Tan Function
Description Returns the tangent of an angle.
Declaration
Tan( dAngle AS Double ) AS Double
Remarks The argument
dAngle
can be any valid numeric expression
measured in radians. The return type of
Tan
is
Double
.
The
Tan
function takes an angle and returns the ratio of two sides
of a right triangle: of the length of the side opposite the angle to
the length of the side adjacent to the angle.
Mind that Tan
is not defined for
dAngle
=
π
2
and
dAngle
=
− π
2
.
See Also
Atn
Cos
Sin
Remark on the Conversion of Angles (5.5.2),
Example The example uses
Tan
to calculate the tangent of an angle with a
user-specified number of degrees.