100% Original CASIO fx-991ES PLUS Scientific Calculator

1. Two-way power
2. 417 Functions
3. Full Dot Display
4. Integration / Differential
5. Equation calculation
6. Matrix calculations / Vector calculations
7. Complex number calculation
8. CALC function / SOLVE function
9. Base-n calculation
10. Fraction calculations
11. Combination and permutation

100% Original CASIO fx-991ES PLUS Scientific Calculator

1. Two-way power
2. 417 Functions
3. Full Dot Display
4. Integration / Differential
5. Equation calculation
6. Matrix calculations / Vector calculations
7. Complex number calculation
8. CALC function / SOLVE function
9. Base-n calculation
10. Fraction calculations
11. Combination and permutation