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P1 (see Chapter 3)
Use P1 is a function which returns the representable value closest to the mathematical
constantx.
Syntax
PD
PIE (see Chapter 12)
Use PIE draws a circular “pie” section on a graphics device.
Syntax PIE [I/stream-number, I point, radius, start-angle, end-angle if,) attribute)... where attribute is: FILL [ONLY) (WITH fill-style)
or: WIDTH line-width or: STYLE line-style
or: COLOUR colour-number or: COLOR colour-number or: MODE write-mode
radius is an integer-expression, giving a positive, non-zero value.
start-angle and end-angle are numeric-expressions, giving positive, or zero, values.

PLOT (see Chapter 12)
Use
PLOT plots “markers” at the points given.
Syntax PLOT [I/stream-number, I point [, point).., if,) attribute)...
where attribute
is: MARKER marker-number
or: SIZE marker-size
or: COLOUR colour-number or: COLOR colour-number or: MODE write-mode

POINT (see Chapter 12)
Use
POINT sets a newcurrent heading.
Syntax
POINT [I/stream-number, I angle
where
angle is a numeric-expression.
POINTSIZE (see Chapter 12)
Use POINTSIZE is a function which returns an available size of a font.
Syntax POINTSIZE)[I/stream-number, I font-ordnal, point-size)
where fontordinaland point-size are integoroxprossions, giving positive, non-zero values.
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