HP 9g Graphing manual Parentheses Calculations, Percentage Calculations, Repeat Calculations

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A decimal format is selected by pressing [ 2nd ] [ FIX ] and selecting a value from the menu (F0123456789). To set the displayed decimal places to n, enter a value for n directly, or press the cursor keys until

the value is underlined and then press []. (The default setting is floating point notation (F) and its n value is •). See Example 11.

Number display formats are selected by pressing [ 2nd ] [ SCI/ENG ] and choosing a format from the menu. The items on the menu are FLO (for floating point), SCI (for scientific), and ENG (for engineering). Press

[ ] or [ ] until the desired format is underlined, and then press

[]. See Example 12.

You can enter a number in mantissa and exponent format using the [ EXP ] key. See Example 13.

This calculator also provides 11 symbols for input of values using engineering notation. Press [ 2nd ] [ ENG SYM ] to display the symbols. See Example 14. The symbols are listed below:

Parentheses Calculations

Operations inside parentheses are always executed first. Up to 13 levels of consecutive parentheses are allowed in a single calculation. See Example 15.

Closing parentheses that would ordinarily be entered immediately prior

to pressing [] may be omitted. See Example 16.

Percentage Calculations

[ 2nd ] [ % ] divides the number in the display by 100. You can use this function to calculate percentages, mark-ups, discounts, and percentage ratios. See Example 17.

Repeat Calculations

You can repeat the last operation you executed by pressing []. Even if

a calculation concluded with the [] key, the result obtained can be used in a further calculation. See Example 18.

Answer Function

E-14

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Contents Hp 9g Graphing Calculator Contents Other Functions x-1, , , ,x 2, x Statistical CalculationsProgramming Power Supply Contrast AdjustmentDisplay Features Key Labels Changing ModesSelecting an Item from a Menu Inserting and Deleting Characters Using the 2nd and Alpha keysCursor Recalling Previous Inputs and Results MemoryOrder of Operations Accuracy and Capacity RandiDMS Error Conditions StatArithmetic Calculation Display FormatRepeat Calculations Parentheses CalculationsPercentage Calculations Answer FunctionConverting Angular Units Logarithm and AntilogarithmFraction Calculation Coordinate Transformations Trigonometric and Inverse Trigonometric functionsHyperbolic and Inverse Hyperbolic functions Mathematical FunctionsUnit Conversion Physics Constants User-generated Graphs Multi-statement functionsBuilt-in Function Graphs Superimposing Graphs Graph ↔ Text Display and Clearing a GraphZoom Function Trace FunctionSingle-Variable and Two-Variable Statistics Scrolling GraphsPlot and Line Function Process Capability Correcting Statistical Data Probability Distribution 1-Var DataRegression Calculation QuadLogical Operation Negative ExpressionsBasic Arithmetic Operations for Bases Before Using the Program Area Program Control InstructionsInput memory variable END Executing a Program Relational OperatorsCreating a New Program Debugging a Program Using the Graph Function in ProgramsDisplay Result Command 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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