Original Casio Fx-991es-2 Plus Scientific Calculator 417 Functions Engineering Students High School Lab Office Solar And Battery - Calculators - AliExpress
Casio Scientific Calculator FX 991 ES PLUS, Size/Dimension: 162mm X 80mm, Model Number: Casio Fx-991es Plus, Rs 980 | ID: 15467293348
Casio FX-991ES Plus technisch-wissenschaftlicher Taschenrechner : Amazon.de: Bürobedarf & Schreibwaren