HP9S Features

HP9s Scientific Calculator is perfect for the student, or anyone who wants to solve math and science problems. It comes with 6 common metric conversions. With the HP9s, it's easy to Edit statistics, calculate permutations, combinations and factorials, solve trigonometric functions and more.

• Mathematical functions:
• Four operations (+ - x ÷)
• Trigonometric, Inverse-trigonometric
• Hyperbolic, Inverse-hyperbolic
• Polar.Rectangular coordinate Conversion
• Power, Square/Cube root, Square
• Reciprocal, Logarithmic & Exponential
• Percentage
• Memory calculation
• 10 digits for floating point display and 2 digits mantissa for exponential display 15-level parentheses & 6 max number of pending operations
• Statistical functions:
• Variable statistics (with Cp, Cpk)
• Friendly operation – Edit mode
• Memory protection while power off
• Automatic power off
• Mutual conversions & calculation of Binary, Octal, Decimal, and Hexadecimal number
• Complex number mode
• Conversion & Calculation in Deg, Rad, Grad
• "OFF" function
• Time Conversion (D.M.S)
• Decimal Point Selection: "FIX" key
• Probability (nPr, nCr, RND, X!)
• 6 Metric conversions
• Fraction calculation
• Shift function (00®0)
• Clear & Clear entry
• Scientific display notation (F®E)
• Engineering notation
• Internal 12 digits precision

HP9S Specifications

• CPU: KI1724A
• LCD: 10+2 7-segment display
• Memory
  • RAM: 128 bytes
  • ROM: 22K bytes
• Power Supply: Alkaline battery, GP-76A x 2
• Battery Life: 2 years (when used 1 hr/day)
• Power Consumption: 0.75mW (operating) / 0.21mW (standby)
• Auto Power Off: 9 mins (typ.), 6 mins (min.)
• Enclosure Material: Plastic
• Key Top Material: Plastic
• Dimensions: 155 x 81 x 13.7 mm (without slide-on case)