Final Answers © 2000-2018, Ph.D. Casio Calculators Casio fx-991es = fx-570es = fx-115es and their successor, the Casio fx-991ex. A review of affordable best-sellers. • of the fx-991EX and fx-991ES PLUS models. The EX series is an improvement on the best-selling ES series. • of the 'natural' Casio scientific calculator ES series.
•: Hexadecimal or octal arithmetic on 32-bit integers. •: Tabulate a function (or a pair of functions with 'plus' version). •: Consistent values recommended by CODATA (2010). •: A few inaccuracies & one typo. Related articles on this site: •.
Casio's fx-991EX is from the family of Fraction And Scientific. ClassWiz contains calculation functions that support even advanced mathematical operations, including spreadsheet calculations, 4 × 4 matrix calculations,.
•: TI-36X Pro. •: Nonprogrammable scientific calculator for education. •: Four-line nonprogrammable scientific calculator. •: HP-49g, HP-49g+, HP-50g. •: Hewlett-Packard's leading graphing calculator, since 2013.