SCIENTIFIC CALCULATOR
FX-991ES PLUS
Bi-trust
Equation Solver: 9 Variable Memories
Basic Functions: Trigonometric Functions Hyperbolic Functions Exponential / Logarithmic
Power Functions: Fraction Calculation
Sexagesimal Functions:  Special Features Base-n Calculation 40scientific Constants 40 Metric Conversion Algebra
Calculation With Symbol Including Simplifying Radicals Simultaneous Equation Polynomial Equations Table Function
Matrix / Vector Calculation
Complex Number Calculations: Geometry
Coordinate Conversion: Probability
Permutation and Combination: Statistics