Description
Casio fx-991ES PLUS-2BU 2nd Edition Scientific Calculator – Blue
The blue fx-991ES PLUS-2BU from Casio’s ES PLUS 2nd Edition series is a non-programmable, non-graphing scientific calculator for classroom mathematics. Its natural textbook display presents expressions in a familiar mathematical format.
Read and enter calculations clearly
The 10 + 2 digit dot-matrix display shows fractions and other expressions in natural textbook format. Replay helps revisit earlier calculations, and two-key rollover supports quick entry.
Statistics, memory and tables
Use fraction, trigonometric, logarithmic and statistical calculations, including a list-based statistics editor and regression. Nine variables and independent memory hold values for reuse, and the table function generates numerical values.
Advanced mathematics
Work with equations, matrices, vectors and complex numbers. CALC and SOLVE support repeated calculations and solving, while numerical differentiation, integration and base-n calculations extend its use for advanced coursework.
Specifications
- Model: fx-991ES PLUS-2BU; colour: Blue
- 417 functions; non-programmable and non-graphing
- Display: 10 + 2 digits, Natural Textbook Display
- Power: Solar and battery power; approximately three years battery life
- Size (D × W × H): 161.5 × 77 × 11.1 mm; approximately 95 g
- Slide-on hard case
Similar product
Casio fx-991ES Plus black scientific calculator
Updated 28 October 2026
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