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| 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 to
be entered as they are written. Instead of wasting energy on
difficult calculator operations, users are free to concentrate
on mathematical concepts. |
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| •
Non D.A.L. system key operation |
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| You have to push the keys in a
different order than the actual equation, making the input process
confusing. |
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You
push the keys in the same order as the actual equation. |
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