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Syntax ELLIPTICAL PIE
[#stream-number,
I point, x-radius, start-angle, end-angle, aspect
if,)
attribute)...
or:
WIDTH
line-width
or: STYLE
line-style
or: COLOUR
colour-number
or: COLOR
colour-number
or: MODE
write-mode
x-radius is
an
integer-expression,
giving a
positive,
non-zero value.
aspect
isa
numeric-expression,
giving a positive, non-zero value.
start-angle
and
end-angle
are
numeric-expressions,
giving positive,
orzero, values.
Use
END
is used
to terminate execution
of the program when it has completed its
allotted
tasks, as opposed to STOP, which
is
used in debugging.
Syntax END
ENVIRON$
(see Chapter 15)
Use ENVIRONS isa function which information from the “environment” in the form of a
EOF
(see Chapter 10)
Use EOF isa fanction,
which returns TRUE itthere is nothing more to be input fnomthe
EPS
(see Chapter 3)
Use
EPS
is
used to give a measure of the
significance eta number.
where
argumentis
a
numeric-expression.
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