| 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 (√)
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12 digits
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Regular percentRegular percentage calculations.
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150 steps checkDisplays up to 150 previous calculation steps.
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Tax calculationAutomatic calculation of price plus tax, price less tax, discount, selling price, tax amount, discount amount, and margin amount.
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Solar & BatterySolar powered when light is sufficient, battery powered when light is insufficient.
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Function command signsA symbol (+, -, ×, ÷) on the display indicates the status of operation you are currently performing.
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Key rolloverKey operations are stored in a buffer, so nothing is lost even during high-speed input.
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Extra Large displayLarger display makes more data easier to read.
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Plastic keysDesigned and engineered for easy operation.
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Mark-upAll the mark-up capabilities of an adding machine for simplified cost and profit calculations.
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Localized number displayDisplays numbers in four digit separator formats(Type A, Type B, Type C and Indian).
| 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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Display
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- Display type: DOT/LCD
- Algebraic input logic: S-V.P.A.M.
- Number of characters/lines: 12/1+10/1
- Significand function: 10+2
Memory
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- Repeat function
- Variable memory: 8
Basic mathematics
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- Functions: 240
- Bracket levels: 24
- Fraction calculations
- Angle dimensions DEG/RAD/GRAD
- Conversions between >DEG/>RAD/>GRAD
- Coordinate transformation Pol ÷ Rec
- Trigonometric functions sin/cos/tan/sin-1/cos-1/tan-1
- Hyperbolic functions sinh/cosh/tanh/sinh-1/cosh-1/tanh-1
- Exponent, log, In, 10x, ex
- Mathematical functions √, x2, x-1, 1/x, x!, xy, x1/y
- Calculations in the sexagesimal system
- Percentage calculations
- Technical notation ENG/ENG
- Random number generator
Statistics
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- Summation of ∑x, ∑x2
- Summation of ∑x, ∑y, ∑x2, ∑y2, ∑xy
- Standard deviations for grouped and ungrouped values
- Regression analysis
- Permutations (nPr) and combinatorics (nCr)
Other
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- Menu language: english
- Automatic shut-off
- Energy supply: Battery
- Battery type: 1 x AA
- Size (H x W x D mm): 14 x 77 x 162
- Weight: 105 g
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Availability of models and/or lineups may differ depending on the country or region.
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Technical amendments and errors excepted. The sizes in figures do not correspond to the original sizes.
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| 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. |
| 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 |
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