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DS-991ES - 4 Line FX-991ES Compatible - Dual Power Scientific Calculator with Natural Textbook Display
- Natural textbook display shows formulas and results as they appear in textbooks
- Easy-to-read, 4-line alphanumeric 10+2 digit display
- 410 Functions
- True algebraic logic
- Adjustable display contrast
- 15 digit internal calculations
- 9 Memories
- Multi-statements
- Last answer memory
- Dot matrix display
- Parentheses
- Replay and correct
- Fractions
- Trigonometrics
- Inverse trigonometrics
- Hyperbolic
- Inverse hyperbolic
- Sexadecimal calculations
- Sexagecimal / Decimal conversions
- Factorials
- Permutations and combinations
- Base-n calculations
- Logical operations
- Logarithmic and exponential
- Square root
- Roots and powers
- Reciprocal
- Coordinate transformation
- Absolute value calculations
- ENG conversion
- Engineering notation
- Complex numbers
- Numerical integration
- Numerical differentiation
- Table function
- Vector calculations
- Matrix calculations
- Solver function
- 20 Pair metric conversion
- 40 Scientific constants
- Sum calculations
- Equation solving - Quadratic, Cubic, Simultaneous with 2-3 unknowns
- Statistical calculations - Mean, Variance, Standard Deviation, Probability Distribution, Regression, Linear, Logarithmic, Exponential, Power, Inverse, Quadratic
- Hard Protective Case
- Solar Powered with Battery Backup
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| UPC: | 7-67469-43992-4 |
| UPC Case: | 1-07-67469-43992-1 |
| Packaging: | B/P |
| Packs: | 10/40 |
| Unit Packaging: | 6.8x9.5x1.15 (inches) / 12.50x23.00x2.40 (cm) |
| Ctn Size: | 20*13.4*10.3 (inches) / 51*34*26 (cm) |
| CBF/CBM: | 1.6 /0.045 |
| Ctn Weight: | 25.3 lb / 11.5 kg |
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