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A symbol generator producing vector-drawn characters has been designed for use in a graphical display. Since the storage medium is a random-access memory, user-dependent symbols may be drawn in addition to a full alphanumeric-character set, thus reducing the display-file size and access rate. It is also capable of generating sequences of fixed instructions for special purposes, thereby reducing the load on the driving computer. It is shown that these additional facilities are provided at a very small extra cost over the pure alphanumeric generator.