HP Hewlett-Packard 35S Scientific Calculator- 14-Digit Lcd

Professionals and college students have the flexibility no other scientific calculator can offer with the choice of RPN or Algebraic entry system logic. Delivers a large 2-line alphanumeric display with adjustable contrast raised edges to protect the keys and a robust library of built-in functions and constants. Same time with an impressive array of programmable scientific functions. Have confidence that every time you turn on your calculator you make results in dependable worry-free performance and accurate results.Power Source(s): Battery.Display Notation: Engineering Numeric.Display Characters x Display Lines: 12 x 2.Memory: 30 KB 800+ Registers.Case: Protective.Fraction Calculations: Yes.Fraction/Decimal Conversions: Yes.+/- Switch Key: Yes.Backspace Key: Yes.Base Number Calculations: Yes.Complex Number Calculations: Yes.Entry Logic: Algebraic RPN.Hyperbolic Functions: Yes.Levels of Parentheses: 13.Linear Regression: Yes.Polar-Rectangular Conversion: Yes.Probability (Random Number): Yes.Simultaneous Equations: Yes.Square Root Key: Yes.Trig/Log Functions: Yes.Variable Statistics: One Two.Size: 3-1/4 x 6-1/8.Replacement Batteries: 2 3.0V Lithium EVE-EPX76BP.