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GRAPHICS (see Chapter 12)
Use GRAPHICS sets graphics output attributes.
Syntax GRAPHICS [#stream-numberl if,) attribute)...
where
attribute is: CURSOR cursor-type
or: FILL [STY LE) (WITH) fill-style or:[LINE) WIDTH line-width or: [LI NE) STYLE linestyle
or: [LI NE) START line-start-style or: [LINE) END line-end-style or: MARKER markernumber or: MARKER SIZE marker-size or: COLOUR colour-number or: COLOR colour-number or: MODE write-mode
where cursor-type is an integerexpression, giving a value inthe range 1.3.

GRAPHICS..RESTORE (see Chapter 12)
Use GRAPHICS...RESTORE turns on oroff window contents restore.
Syntax GRAPHICS [#stream-number[, .11 RESTORE truthvalue

GRAPHICS..UPDATE (see Chapter 12)
Use GRAPHICS,..UPDATE forces graphics output to be acted on.
Syntax GRAPHICS [#stream-numbett’, II UPDATE (NEW)

HEADING (see Chapter 12)
Use HEADING is a function which returns the current heading.
Syntax
HEADING[I[#)st’eam-number))
HEX$ (see Chapter 4)
Use HEOS isa function which converts an integer value to a string of hexadecimal
digits.
Syntax
HEXSlargument[, mm-digits))
where argumentand mn-digits are integer-expressions; mm-digits must give a value in the range
0.32.
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