Texas Instruments TI-30XS MultiView calculator Pocket Scientific

Math Notation
Enter and view calculations in common Math Notation via the MATHPRINT mode, including symbolic pi, stacked fractions, exponents and exact square roots.

Up to 4 lines of Display
Ability to enter more than one calculation, compare results and explore patterns, all on the same screen.

Toggle Key
Quickly view fractions and decimals in alternate forms. "Toggle" the answer with one button to see outcomes in different representations, including changing answers between the exact form of fractions, pi terms and square root expressions, where possible, into decimal approximation format.

Scrolling
Scroll through previous entries and investigate critical patterns as well as viewing and pasting previous entries or answers into a new calculation.