The Casio Story: With the launch of its first watch in November 1974/ Casio entered the wristwatch market at a time when the watch industry had just discovered digital technology. As a company with cutting-edge electronic technology developed for pocket calculators/ Casio entered this field confident that it could develop timepieces that would lead the market.<br />2-line display/ Fraction calculations/ Integration calculations<br />Combination and Permutation/ Statistics/ Base-n calculations / conversions/ Logical operations<br />Complex number calculations/ CALC memory/ Engineering symbol calculations<br />40 scientific calculations/ 40 metric conversions(20 conversion pairs)/ 9 variable memories<br />Comes with slide-on hard case/ Size: 6.25 inch long/ 3.35 inch wide<br />