Display for electronic calculator
作者： Ichiro Sado
DOI:
关键词:
摘要: A display device for use in electronic calculators capable of displaying determinants. The is able to data positions row and column elements a determinant together with numbers associated the elements. displayed as selective segments figure "8" pattern.
lens.org 参考文章(3)
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Ming T. Lien, Display of mathematical equations ,(1975)
Shinichi Nakata, Reiji Hirano, Electronic equipment capable of arithmetic operations ,(1977)