Casio fx-991ES Plus 2 Scientific Calculator with 417 Functions and Display, Natural

The FX-991ES Plus 2 is an ideal scientific calculator for secondary school and university with natural “natural textbook display” display to display formulas and results just like on textbooks. Admitted to maturity. Equipped with 417 functions including: equation resolution, synthesis values and variability indexes, matricial and vector calculation, regression and correlation coefficients, complex numbers, calc key (temporary memory formulas), 40 physical constants, integral and differential numerical calculation. Combined power supply: solar and lr-44 alkaline button battery.

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Admitted to maturity exams
Natural display to insert and display numerical expressions as they appear on textbooks
24 levels of brackets
Regression and correlation coefficients
Solar power and battery
Dimensions: 1.5 x 7.5 x 16.2 cm