HP9S Scientific Calculator

The HP 9S is an entry-level scientific calculator perfect for elementary and middle school students

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This entry-level 1-line scientific calculator is perfect for elementary and middle school students taking General Math, Pre-Algebra, Algebra, Trigonometry, Statistics, Geometry or Biology.

The HP9S can quickly solve metric conversions, calculate currency exchange, edit statistics, calculate permutations, combinations and factorials or solve trigonometry and inverse functions.

Permitted for use on SAT I, SAT II Math IC/IIC, ACT, PSAT/NMSQT, AP Chemistry/Physics, PLAN, EXPLORE

- Simple to use scientific calculator with protective cover
- 6 common metric conversions
- Decimal point selection
- Quick and easy metric conversions for various measurement and number system conversions
- 4 basic operations (+, -, *, /) to solve wide range of problems (fraction calculation to make working with fractions easier, solving logs, powers and roots of equations, plus one button positive and negative sign - - -change key, percentage and pi keys)
- Enables fixing number of decimal points displayed, making it easier to manage/understand the solution or work in engineering mode if needed
- Capable to edit statistics (finding mean, SD and variance) and calculate permutations, combinations and factorials at the push of a button
- Solves trigonometry and inverse functions
Works in a variety of system modes rectangular or polar, also degrees, radians and gradients
- Converts data to and from degrees, minutes and seconds, plus can solve in complex mode as well
- Has memory functions for storing and retrieving data and two clear memory options

Specifications

CPU:

- CPU	KI1724A

DISPLAY:

-Display size	1 line x 10 characters

- Display Type	LCD

- LCD	10+2, 7-segment display

- Contrast	Adjustable

SYSTEM LOGIC:

- Entry-system logic	Algebraic

- Built-in functions	60+

- Menus, prompts, etc	No

- Pending operations	10

- Internal precision	15 digits

MEMORY:

- Memory registers	1

- Memory	RAM: 128 bytes ; ROM: 22K bytes

INPUT:

- Keyboard	Numbers

POWER:

- Power	Alkaline battery, GP-76A x 2

- Power off memory protection	Yes

- Power consumption	0.75mW (operating) / 0.21mW (standby)

- Battery life	2 years (when used 1 hr/day)

- Auto power off	9 mins (typ.), 6 mins (min.)

PHYSICAL CHARACTERISTICS:

- Size (L × W × D)	155 × 81 × 13.7 mm (without slide-on case)

- Key Top Material	Plastic

- Warranty	1-year warranty

- What's in the Box	Calculator, batteries, instructions, snap-on protective cover

SUPPORTING MATERIAL:

- Subject Suitability	General Math, Pre-Algebra, Algebra, Trigonometry, Statistics, Geometry, Biology

- Permitted for use on	SAT I, SAT II Math IC/IIC, ACT, PSAT/NMSQT, AP Chemistry/Physics, PLAN, EXPLORE

Features	Benefits

MATHEMATICAL FUNCTIONS:

- Four operations (+ - x ÷)

- Trigonometric, Inverse-trigonometric

- Hyperbolic, Inverse-hyperbolic

- Polar↔Rectangular coordinate Conversion

- Power, Square/Cube root, Square

- Reciprocal, Logarithmic & Exponential

- Percentage, π

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

ADDITIONAL FEATURES:

- 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