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APL is probably best known for its unusual set of graphic symbols. The symbols used to write in APL are very important to understanding the concepts of programs. Some terminals currently in use produce such poor graphic images of APL symbols that the meaning of displayed statements is not clear. In addition, the usefulness of published material depends a great deal on its appearance. The current technology for producing high quality printed material is phototypesetting. This paper is a collection of notes resulting from the author's investigation of the problems involved in designing an APL type font for a phototypesetter.

APL pi designing an APL type font