reader who tried to read off the entire printout , Through the efforts of Elliott and Prof, Michael S, Inoue, also of Oregon State University, a solution evolved for Jacquiss ' man-machine interfacing problem , Realization that each braille character is composed of one to six raised dots led to the use of the 2202 printer t o create sample impressions that proved to be weak but legible . No single character was found that could produce an adequat e indentation, but a set of four plotting dots, printed 0,01 inches apart, provided an excellent indentation . By writing a subroutine for the actual printing, it was possible to include all alphabets, the ASCII numerals, and selected symbols withi n the minimal 4K configuration . Since braille dots must be raised and not indented, each line has to be printed backwards, starting from the righ t and ending at the left, The end-product hardcopy page is then turned over for reading by the visually impaired . ********************************* * * * ** ESPECIALLY FOR THE DEA F * * ********************************** * COMPUTER MATHEMATIC S at GALLAUDE T In January 1974, the Mathematics Department at Gallaudet College received authorization to
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Computer mathematics at Gallaudet
Anonymous,
Follow ACM SIGCAPH Computers and the Physically Handicapped
, Volume (17)
Association for Computing Machinery – Nov 1, 1975
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