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Scientific Calculator fx-991ES PLUS

$259.00

Support your classroom with technology

  • Natural Textbook Display
  • 417 FUNCTIONS
  • Two-way power
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Functions

  • Standard functions
  • Fraction calculations
  • Combination and permutation
  • Statistics (List-based STAT data editor, standard deviation, regression analysis)
  • 9 variables
  • Table function
  • Comes with new slide-on hard case

Two-way power (Solar + Battery)
Solar powered when light is sufficient, battery powered when light is insufficient.

Plastic keys
Designed and engineered for easy operation.

Natural V.P.A.M. display
Display expression same as textbook.

List based STAT-data editor
Viewing and editing of input data in list format, showing data groups (x-data, y-data, frequency) and surrounding data.

Multi-replay
Quick and easy recall of previously executed formulas for editing and re-execution.

10 + 2 digits
10-digit mantissa + 2-digit exponential display.

Dot matrix display
High-resolution screen provides beautiful looking graphs every time.