Casio fx-7400G PLUS 사용

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Casio fx-7400G PLUS에 대해서도 마찬가지입니다: 제품 카탈로그 (16 페이지), 사용자 설명서 (13 페이지), 사양 (1 페이지), 사양 (1 페이지), 사용자 설명서 (18 페이지), 사용자 설명서 (15 페이지), 사용 설명서 (13 페이지), 부록 (15 페이지)

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A Resource for Free-standing Mathematics Qualifications

Using the CASIO fx-7400G PLUS

CALCULATIONS

Use MENU 1 (RUN)

Negative Numbers

Powers

Use the ^ button, including brackets if necessary

eg to find 2

Exponential Function

Memories

To recall/use the previous answer press Ans i.e. SHIFT(–).

To store a number in a memory, press →

To recall/use press ALPHA A (or B, C, ...)

TO DRAW THE GRAPH OF A FUNCTION

Use MENU 4 (GRAPH)

• To delete previous functions, press DEL (F2) then YES (F1).

• If you need to change the type of function, press

Y= (for a function) or PARM (for points)

Pressing the arrow again allows you to choose inequalities

and pressing it again takes you back to the start.

• To draw the graph of a function use the X, T button for the variable (even if a

different letter is used). After entering the function, press EXE then DRAW (F4).

• To correct a mistake use

then

until you get to the error to over-write it.

• To keep a function in the memory, but stop it being drawn press SEL (F1).

• To set co-ordinates for a good picture of the graph, press V-Window (SHIFT F3)

then enter the values you require for the axes. You will need to press EXE after

each entry and use

• To zoom in or out press Zoom (SHIFT F2), then IN (F3) or OUT (F4).

If you wish to change the scale factor for zooming use FACT (F2).

To zoom in on a particular section of the graph press Box (F1), then use the

arrows on the REPLAY button to move the cursor to where you want one corner

of the box to be. Press EXE to set that corner, then use the arrows again to draw

the box. Press EXE again when the box is as you want it. The section of the

graph in the box will be enlarged to fill the screen.

To return to the original graph, press Zoom again then

select the ORIG (F1) option.

• To find the coordinates of important points on a curve use Trace (SHIFT F1),

then the arrows on the REPLAY button. Press QUIT when you are finished.

Use the (–) button

when t is 60, press 2 ^ ( 0.05 × 60 )

0.05t

Use the e

button (i.e. SHIFT ln)

0.05t

eg to find e

on the REPLY button to highlight the function,

on the REPLAY button to get to the Y menu.

Using the Casio fx-7400G PLUS

( 0.05 × 60 )

when t is 60, press e

→ ALPHA A (or B, C, ...) EXE

and select from

so that you can

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