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string it holds.
RT
(see Chapter 12)
Use RT changes
the
current heading. (See also RIGHT, LEFT
and
LT.)
Syntax RT
[I/stream-number,
I
angle-change
where
angle-changeis
a
numeric-expression.
RTRIM$
(see Chapter 4)
Use RTRIMS is afunction tx remove trailing spaces from strings.
where argumentis
a
string-expression
RUN
(see User Guide Chapter 1)
Use RUN starts executing
the
current program.
SCREEN
(see Chapter 9)
Use SCREEN sets
the
type and size of a Virtual Screen
SCREEN
[I/stream-number
[if
TEXT
[size)
if,)
window-attribute)...
SCREEN
[I/stream-number
[‘if
TEXT FLEXIBLE
if,)
window-attribute)...
where
sizeiswidth
[FIXED),
heighl
[FIXED)
or:
MINIMUM
width, height
or: UNIT
width, height
or: INFORMATION
truth-vafue
widthand height
are
integer-expressions,
giving positive, non-zero values.
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