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  • [x] Case Protective

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  • [x] Calculators

• HP (1)
• Texas Instruments (3)

• Power Source(s): Battery (1)
• Power Source(s): Battery;Solar (1)
• Power Source(s): Solar (1)
• Power Source(s): Solar;Battery (1)

• Display Notation: Engineering;Numeric (3)
• Display Notation: Numeric (1)

• Display Characters x Display Lines: 10 x 1 (1)
• Display Characters x Display Lines: 10 x 2 (1)
• Display Characters x Display Lines: 12 x 2 (1)
• Display Characters x Display Lines: 16 x 4 (1)

• Memory: 3 (1)
• Memory: 30 KB;800+ Registers (1)
• Memory: 5 (1)
• Memory: 7 KB (1)

• Percent Key(s): No (3)

• Fraction/Decimal Conversions: No (1)
• Fraction/Decimal Conversions: Yes (3)

• Decimal Function: No (3)

• +/- Switch Key: No (2)
• +/- Switch Key: Yes (1)

• Currency Exchange Function: No (3)

• Metric Conversion: No (3)

• Backspace Key: Yes (3)

• Amortization: No (3)

• Base Number Calculations: No (2)
• Base Number Calculations: Yes (2)

• Bond Calculations: No (3)

• Complex Number Calculations: No (3)
• Complex Number Calculations: Yes (1)

• Confidence Interval Calculating: No (3)

• Cost/Sell/Margin: No (3)

• Date Calculations: No (3)

• Depreciation Calculations: No (3)

• Entry Logic: Algebraic (3)
• Entry Logic: Algebraic;RPN (1)

• Equation Editor: No (3)
• Equation Editor: Yes (1)

• Higher Mathematical Functions: Trigonometry (1)

• Hyperbolic Functions: No (1)
• Hyperbolic Functions: Yes (3)

• Hypothesis Testing: No (3)

• Interest Rate Conversion: No (3)

• Item Count Function: No (3)

• Levels of Parentheses: 13 (1)
• Levels of Parentheses: 15 (1)
• Levels of Parentheses: 23 (2)

• Linear Regression: No (2)
• Linear Regression: Yes (1)

• Loan Calculation: No (3)

• Logical (Boolean) Operations: No (3)
• Logical (Boolean) Operations: Yes (1)

• Markup/Down Key: No (3)

• Matrices: No (3)

• Percent Add-On/Discount: No (3)

• Polar-Rectangular Conversion: No (2)
• Polar-Rectangular Conversion: Yes (1)

• Probability (Random Number): No (2)
• Probability (Random Number): Yes (2)

• Simultaneous Equations: No (2)
• Simultaneous Equations: Yes (2)

• Square Root Key: No (1)
• Square Root Key: Yes (2)

• Tax Calculation: No (3)

• Time-Value-of-Money: No (3)

• Time/Date: No (3)

• Variable Regression: No (3)

• Size: 3 1/4 x 6 1/8 (1)
• Size: 3 1/4 x 7 1/4 (1)
• Size: 3 3/8 x 6 3/8 (1)
• Size: 3 x 5 3/4 (1)

• Replacement Batteries: 2 3.0V Lithium, EVE-ECR2032BP (1)
• Replacement Batteries: 2 3.0V Lithium, EVE-EPX76BP (1)

• Compliance, Standards: RoHS Compliant (3)