Calculator-printer interface with numerical string segmentation

Details Calculator-printer interface with numerical string segmentation Calculator-printer interface with numerical string segmentation

1978-11-20

1980-12-30

Springborn, Harvey E.

Boots, shoes, and leggings

G06F 312

Patent

active

042427355

ABSTRACT:
A calculator printer interface performs control of a printer's segmenting of symbols in a string of numeral words from an LSI/MOS calculator chip. The output from the LSI/MOS calculator chip is a sequence of multibit data words including a leading decimal point position word indicating the position of a decimal point followed by numeral words indicating respective numerals of a number to be printed. The decimal point position word is decoded and the numeral words are entered into a shift register together with a word indicating a decimal point in the position within the sequence indicated by the decimal point position word. When the number is printed, words indicating where commas are to appear are inserted into the sequence of data words outputted from the shift register by counting by three after the word indicating a decimal. Commas and zeros occurring after the last nonzero numeral word in the sequence are suppressed.

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New Scientist-London, England-Hewlett Packard (HP91) Calculator-pp. 240-241, 4/29/76.

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