Pocket 991

A scientific and graphing calculator that shows you which keys to press. Pocket 991 brings together familiar EX- and CW-style scientific-calculator workflows, an independent CG50-style graphing calculator, and a large library of interactive tutorials for A-level Maths and Further Maths students. FOLLOW THE HIGHLIGHTED KEYS Choose a tutorial or ask how to do something. Clear requests start guidance; broader questions offer relevant operations. Follow a worked example on the calculator itself, then take over whenever you are ready. SCIENTIFIC CALCULATOR WORKFLOWS • Polynomial and simultaneous equations • Normal, binomial and Poisson probabilities • Statistics and regression • Matrix and vector calculations • Complex numbers • Numerical integration, differentiation and tables • Fractions, powers and calculator settings CG50-STYLE GRAPHING Explore calculations, graphs, tables, equations,…