Statistics (List-based STAT data editor, standard deviation, regression analysis)
9 variables
Table function
Comes with new slide-on hard case
fx-82ES PLUS/85ES PLUS/350ES PLUS functions, in addition to:
Equation calculations
Equation menu
Simultaneous linear equations
Quadratic equation
Cubic equation
Product features
Recheck with sound assist
300 steps check
Tax calculation
Metal Faceplate
Localized number display
Product type
Metal Faceplate
Desktop Type
Number of digits
12 digits
Liquid crystal display
Extra Large display
Function command signs
3-digit comma markers
Key characteristics
UV-coated durable keys
Key functions
Key rollover
Shift key (▶)
Sign Change (＋/－)
Mark-up
Memory
Grand total (GT)
Independent memory
Power supply
Solar & Battery
Size (D × W × H)
219 × 146 × 38 mm
Weight
260 g
Display format settings
Decimal selector (4/3/2/1/0/ADD₂)
Rounding selector (F・CUT・UP・5/4）
Localized number display
Basic calculation
Basic Calculation
Regular percent (％)
Square root (√)
Applied calculation
Recheck with sound assist
300 steps check
Tax calculation
Casio Fx 991 EX CLASSWIZ Calculator Original WITH WARRANTY CARD AND STICKERS WITH CHECK FOR AUTHENTICITY STICKER Intuitive, easy-to-learn icon display Natural Textbook Display List display function for thorough, speedy learning Easy-to-understand English messages and interactive format High computational competence for performing even advanced mathematics Online Visualization Service Using QR Code A comprehensive set of advanced functions unique to CASIO scientific calculators -Spreadsheet calculations -Matrix calculations -Vector calculations -Integration calculations -Multiline display -Differential calculations -Equation calculation -Inequality calculations -Advanced statistical distribution calculations -Ratio calculations -Metric conversion -Scientific constants -Variables list -Statistics list -Digit separator -Engineering symbols #casioph #calculators #Fx991EXCLASSWIZ
More comfortable in the hand!
A rounded design that fits naturally in the hand and a slim body that’s comfortable to hold
Attachable and detachable in any direction!
Hard case that’s attachable and detachable in any direction for greater ease of use
More legible!
The keys have been made rectangular, making them easier to press. They are also easier to read because of larger text.
Easier to use!
Highly visible, easy-to-press cursor keys and function keys
Function Natural Textbook Display
Features Natural Textbook Display format for displaying equations and calculation results just as they appear in textbooks
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