CLOSE# (CL0.#)	Close an open file.
COS	Function giving the cosine of any angle, the angle
	background colour.
COLOR or	Set the text foreground or background colours.
COLOUR (C.)
CLS	Clear the text window to the current text
COUNT	Variable containing the number of characters
	printed since the last new line.
DATA (D.)	Used in conjunction with READ to specify data items
	to be used in a program.
DELETE (DEL.)	Delete a number of lines from a program.
DIM	Reserve memory space for an array of given size.
DIV	Carry out integer division, any remainder being
	discarded.
DRAW (DR.)	Draw a line from the last graphics point specified to
	the given point.
EDIT	Call the optional text editor available from your
	supplier.
ELSE	Part of the extended IF...THEN statement used
	when an alternative decision may be required.
END	The computer executes no further statements after
	it reaches the END statement. Its use is optional if
	the END statement is physically the last statement
	in the program.
ENDPROC (E.)	Indicate the end of a procedure definition.
ENVELOPE ||	Define a sound envelope.
(ENV.)
EOF#	Function indicating whether the end of a file has
	been reached.
EOR	Used as a logical or bitwise exclusive OR.
ERL	Give the line number where the last error occurred.
App 6.2