co2CREA Hard Case Replacement for Texas Instruments TI-30XIIS / TI-30XS / TI-36X Pro/TI-30Xa / BA II Plus/Casio fx-300ESPLUS2 2nd / fx-115ESPLUS2 2nd / fx-991ES Plus 2nd Scientific Calculator
TI-36X Pro Scientific Calculator | Texas Instruments
For real the best scientific calculator: TI-30X Pro Mathprint : r/calculators