Casio FX-991ES Plus 2nd Edition 417 Function Calculator
Features
417 functions
Natural expression input
10+2 digit display
Multiple response function
Fraction calculations
Real algebraic logic
7 variable memories
Angle unit
Trigonometry
Hyperbola
Logarithm
Algebra
x3
Coordinate transformation
Combination, permutation
Integral
Differential
Equations
Matrix operations
Vector
Complex numbers
40 scientific constants
Statistics (list-based STAT data editor, standard deviation, regression analysis)
base-n computing
Table function
CALC function
Solution function
1xAAA (R03) battery
13.7x80x161mm
110 grams.