آلة حاسبة كاسيو Casio calculator fx-991ES PLUS 417 Functions

fx-991ES PLUS
Classroom models that make it easy to teach and easy to learn!
New equation mode
(√and fraction display)
equation mode
Random integers
Inequality calculation
Other features
Two way power
417 Functions
Full Dot Display
Plastic Keys
Integration / Differential
Equation calculation
Matrix calculations / Vector calculations
Complex number calculation
CALC function / SOLVE function
Base-n calculation
Fraction calculation
Combination and Permutation
Logarithm log
List-based STAT data editor
Standard deviation
Paired-variable statistics regression analysis
Logical operations
Table function
40 scientific constants
40 metric conversions (20 conversion pairs)
9 variable memories
Comes with new slide on hard case