샤프 공식 사이트 (아마도 영문?) http://www.sharp-world.com/contents/calculator/support/guidebook/index.html PDF files of the Scientific Calculator Operation Guide are available here for you to download. Scientific Calculator Operation Guide ...
Until the introduction of SHARP's D.A.L., keying in equations had been a complicated process making scientific calculators difficult to use. Introduced in 1992 and an industry-first, SHARP's D.A.L. allows symbols and numbers of an equation t...