Epson FX-286 - Impact Printer, Руководство пользователя

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Notice that the first line stores the whole graphics command in one
string variable. In order to do this you must put plus signs between the
elements of the command. Once you have done this at the beginning
of the program, each time you enter LPRINT G$; you have issued the
graphics command. Lines 20 and 30 do the same thing with the data
used in this program. As you can see, the use of string variables saves
some typing even in this short program. In a long program it can save
you much more time and effort .
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