until the
cursor is on the first line containing an expression.
to delete the
expression.To be able to follow the remainder of this topic, it will better if you clear your function editor at this point. To do this:
until the
cursor is on the first line containing an expression. to delete the
expression.Repeat this procedure until all ten function names are blank. To check Y8 through Y0, keep pressing the down arrow key until they scroll into view.