HP 9g Graphing manual Power Supply, Contrast Adjustment

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Chapter 1 : General Operations

Power Supply

Turning on or off

To turn the calculator on, press [ ON ].

To turn the calculator off, press [ 2nd ] [ OFF ].

Battery replacement

The calculator is powered by two alkaline button batteries (GP76A or LR44). When battery power becomes low, LOW BATTERY appears on the display. Replace the batteries as soon as possible.

To replace the batteries:

1.Remove the battery compartment cover by sliding it in the direction of the arrow.

2.Remove the old batteries.

3.Install new batteries, each with positive polarity facing outward.

4.Replace the battery compartment cover.

5.Press [ ON ] to turn the power on.

Auto power-off function

The calculator automatically turns off if it has not been used for 9–15 minutes. It can be reactivated by pressing [ ON ]. The display, memory, and settings are retained while the calculator is off.

Reset operation

If the calculator is on but you get unexpected results, press [ MODE ] or [ CL/ESC ]. If problems persist, press [ 2nd ] [ RESET ]. A message appears asking you to confirm that you want to reset the calculator.

RESET : N Y

Press [ ] to move the cursor to Y and then press []. The calculator is reset. All variables, programs, pending operations, statistical data, answers, previous entries, and memory are cleared. To cancel the reset

operation, move the cursor to N and press [].

If the calculator becomes locked and pressing keys has no effect, press [ EXP ] [ MODE ] at the same time. This unlocks the calculator and returns all settings to their default values.

Contrast Adjustment

Press [ MODE ] and then [ ] or [ ] to make the screen lighter or

E-4

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Contents Hp 9g Graphing Calculator Contents Other Functions x-1, , , ,x 2, x Statistical CalculationsProgramming Power Supply Contrast AdjustmentDisplay Features Selecting an Item from a Menu Changing ModesKey Labels Cursor Using the 2nd and Alpha keysInserting and Deleting Characters Recalling Previous Inputs and Results MemoryOrder of Operations Accuracy and Capacity RandiDMS Error Conditions StatArithmetic Calculation Display FormatParentheses Calculations Percentage CalculationsRepeat Calculations Answer FunctionFraction Calculation Logarithm and AntilogarithmConverting Angular Units Trigonometric and Inverse Trigonometric functions Hyperbolic and Inverse Hyperbolic functionsCoordinate Transformations Mathematical FunctionsUnit Conversion Physics Constants Built-in Function Graphs Multi-statement functionsUser-generated Graphs Graph ↔ Text Display and Clearing a Graph Zoom FunctionSuperimposing Graphs Trace FunctionPlot and Line Function Scrolling GraphsSingle-Variable and Two-Variable Statistics Process Capability Correcting Statistical Data Probability Distribution 1-Var DataRegression Calculation QuadBasic Arithmetic Operations for Bases Negative ExpressionsLogical Operation Before Using the Program Area Program Control InstructionsInput memory variable END Creating a New Program Relational OperatorsExecuting a Program Using the Graph Function in Programs Display Result CommandDebugging a Program Deleting a ProgramProgram Examples × 5 + 56 7 74 8 × 7 = × 5 M+ MRC × 7 2nd M MRC MRC CL / ESC Example Prog 1 CL / ESC + 10 × 8 2 = 12369 × 7532 × 2nd SCI / ENG 20 2nd ENG SYM + 0.15 2nd ENG SYM 55 2nd % 2nd ANS B/c 2 a b/c 2nd a b/c d/e 2nd 2nd DMS Cosh1.5+2 = 2nd HYP cos Sinh -17 = 2nd HYP 2nd sin 2nd R P Alpha Page Page Page 26 7 ! 7 4 ! = Math Math Math Math 27 7 ! 7 4 ! × 4 = 2nd 30 7 4 = × 2nd Const Graph 2nd e Example Range Graph Alpha X 2nd x 3 + Alpha X x 2 Graph Alpha X + Graph cos Trace 2nd X Y Page Example 2nd Statvar Graph Example Example 2nd Statvar Example Nd Statvar Graph 2nd Statvar 573 Data 101 61 117 67 2nd Statvar Graph Nd Statvar 143 31 10 = 1F16 = 11111 2 = 37 Mode Dhbo Mode 2 dhbo Dhbo 4777 Mode 2 dhbo Dhbo 1234 + IE if Example RUN Seconds Seconds Example X 2 7 X + 5 = 0 X 1 = 2.5 , X 2 = 25 X 2 70 X + 49 = 0 X = 2 + 2 X + 5 = 0 X 1 = 1 + 2 i , X 2 = 1 2 When the message 1 AN, 2 SN appears on the display, you can = 3 , D = 2, N = 12 S N = S 12 = Seconds RUN Page Example Example RUN 486 Seconds Example Edit Dhbo 11011 = 10 C = 130 , D = 2nd RCL CL/ESC

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