Casio fx-115ES PLUS Engineering/Scientific Calculator
Related posts
Feature
Natural textbook display shows expressions and results exactly as they appear in the textbookOver 280 functions, including fractions, statistics, complex number calculations, base arithmetic, linear regression, standard deviation, computer science, and polar-rectangular conversions
Multi-replay function allows you to backtrack step-by-step through calculations, where you can edit expressions and recalculate answers