Description_x000D_ General description_x000D_ • Algebraic entry logic_x000D_ • Functions: math, exponential, trig., inverse trig., statistical functions (mean and standard deviation); angle/time conversions_x000D_ • Protective sliding case_x000D_ Functions: Five memory registers; two-variable statistics; common and natural logarithms; universal powers and roots; reciprocals and factorials and many more_x000D_ Display: alphanumeric; 2-line display_x000D_ Special features: memory retention allows users to edit and view current entries as well as previous entries.