Calculator 991 AR EX

• Special Features
  Spreadsheet
  Equation Solver
  Online visualization service via QR Code
• Utilities
  Base-n Calculations
  47 Scientific Constants
  40 Metric Conversions
  9 Variable Memories
• Basic Functions
  Trigonometric and inverse Trigonometric Functions
  Exponential / Logarithmic
  Fraction Calculations
• Algebra
  Equation Calculations
  Inequalities
  Table Function
  Matrix/ Vector Calculations
  Complex Number Calculations
  Prime Factorization
• Probability
  Permutation and Combination 

Statistics
Statistical Calculations
Distribution