Book by K. A. Stroud, Dexter J. Booth
Note: Not the latest edition but an excellent book all the same!!
The fx-83GTX replaces the Casio Fx-GT scientific calculators which takes Ireland's Number One Scientific Calculator a step further, by offering additional features such as clearer display, clearer menus, faster processor and 14 additional functions. Allowed in every Irish exam where a calculator can be used. The large Natural Textbook Display (Natural-V.P.A.M.) shows mathematical expressions like roots and fractions as they appear in your textbooks which increases comprehension because results are easier to understand.