Description
Product Summary
Product Type: Scientific Calculator
Brand: Casio
Model Name: FX-991ES Plus
Product Description
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.
Functions:
New equation mode
Random integers
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