fx-991ES [ Natural Textbook Display ]
Close up
Two way power
403 Functions / Full Dot Matrix Natural
Textbook Display / Plastic Keys
(Natural Input / Natural output)
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
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