Sharp W Series manual E Y L Ay O U T, Irect function Power on, Ex P, Lo G

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H ow to Ope ra te

≈R ead B efore Using≈

This operation guide has been written based on the EL-531W , EL-509W , and EL-531W H models. Some functions described here are not featured on other models. In addition, key operations and symbols on the display may differ according to the model.

1 . K E Y L AY O U T

2nd function key

Pressing this key will enable the functions written in orange above the calculator buttons.

ON/C, OFF key

D irect function

<Power on>

Mode key

2nd function

<Power off>

W ritten in orange above the O N /C key

This calculator can operate in three different modes as follows.

<Example>

[Normal mode]

[STAT-0 mode]

[STAT-1–6 mode]

•Mode = 0; normal mode for performing normal arithmetic and function calculations.

•Mode = 1; STAT-0 mode for performing 1-variable statisti- cal calculations.

•Mode = 1; STAT -1–6 mode for performing 2-variable statistical calculations.

2 . R E S E T S W I T C H

RESET

 

If the calculator fails to operate normally, press the reset switch on the back to reinitialise the unit. The display format and calculation mode will return to their initial settings.

N OT E :

Pressing the reset switch will erase any data stored in memory.

Reset switch

RESET

W hen changing to the statistical sub-mode, press the corresponding number key after performing the operation to select the statistics

mode (press ).

(LIN E):

Linear regression calculation

(Q UAD):

Q uadratic regression calculation

(EX P):

Exponential regression calculation

(LO G):

Logarithmic regression calculation

(PW R):

Power regression calculation

(IN V):

Inverse regression calculation

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Contents Sciientiifiic Calculator Operatiionguiide N TEN TS LO G Irect function Power onE Y L AY O U T EX PDI S P L AY F O R M AT a N D Normal modeFIX mode TAB = DI S P L AY P AT T E R NSC I mode EN G modeX P O N E N T DI S P L AY Per ation DEG mode Isplay N G U L a R U N I TDEG = π/2 RAD = Grad = ON/OFF, Entry Correction Keys Pressing π automatically enters the value for π Data Entry KeysRandom Generates random numbersBuilding sample sets for statistics or research Modify Function to round calculation resultsInternally, 0 Basic Arithmetic Keys, Parentheses Hen $ 125 equals 5% of X , X equals…2500 Percent$ 125 reduced by 20%… 15% of $ 125…Per ation Isplay Inverse, Square, CubeTo the Power of x, Common Logarithm To the Power of x, Natural Logarithm = 1 x 2 x 3 x …xn FactorialsPPL IC AT IO N S Permutations, CombinationsTime Calculation Onvert to decimal notation IsplayRepeat last key operation to return to the previous display Fractional Calculations 26510 ÖY= Memory Calculations ~Enter 0 for M Isplay 110 YLast Answer Memory Trigonometric Functions Arc Trigonometric Functions Hyperbolic Functions Splits data used for dual-variable data input Coordinate Conversion1011AND101= 110101100PE 3203OCT654DEC 1011ANDEnters data for statistical calculations Lears data input Statistics FunctionS K E Y S F O R 1 -V a R I a B L E S T AT I S T I C S Reverse the display order to descending latest first, press DA T a C O R R E C T I O NPer ation Isplay X2= N2=X3= Temperature Date S K E Y S F O R 2 -V a R I a B L E S T AT I S T I C S Sharp CORP. MAR
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