| Content |
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Product features
Adjustable Tilt Display
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Product type
Adjustable Tilt Display
Compact Desk Type
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Number of digits
12 digits
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Liquid crystal display
Extra Large display
3-digit comma markers
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Key characteristics
Plastic keys
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Key functions
Key rollover
Shift key (▶)
Sign Change (＋/－)
Mark-up
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Memory
Grand total (GT)
Independent memory
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Power supply
Solar & Battery
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Size (D × W × H)
178.5 × 107 × 26.1 mm
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Weight
170 g
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Basic calculation
Basic Calculation
Regular percent (％)
Square root (√)
| 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 |
| Description |
Dest-Top Type
12 digits: 2.0 line-per-second printing
2-color printing
Clock & Calendar Printing
1.6 line-per-second printing
Reprint / After Print: Print multiple copies of the calculation history. / Print the calculation history later even in print off mode.
Regular percentage calculations.
Displays up to 150 previous calculation steps.
Automatic calculation of price plus tax, price less tax, discount, selling price, tax amount, discount amount, and margin amount.
Calculate the cost, selling price, or margin of profit on an item, given the other two values.
All the mark-up/mark-down capabilities of an adding machine for simplified cost and profit calculations.
A symbol (+, -, ×, ÷) on the display indicates the status of operation you are currently performing. |
| Other features
- Two way power
- 252 Functions
- Full Dot Display
- Plastic Keys
- Fraction calculation
- Combination and Permutation
- Logarithm log
- List-based STAT data editor
- Standard deviation
- Paired-variable statistics regression analysis
- Table function
- 9 variable memories
- Comes with new slide on hard case
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New functions
- Prime factorization
- Ratio calculation
- New equation mode
- Inequality
- Random integers
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
fx-82ES PLUS/85ES PLUS/350ES PLUS functions, in addition to:
Equation menu
Simultaneous linear equations
Quadratic equation
Cubic equation
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- Item Counter & Averages
- Cost / Sell / Margin Calculations
- 4-key Independent Memory
- Mark Up / Mark Down
- Change function
Calculate payment and change.
- Reprint function
Print multiple copies of the calculation history without re-inputing data.
- Tax calculations
- Total & Grand Total Calculation
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