Casio fx-7400G PLUS Manual del usuario - Página 10

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Chapter 1

Getting Acquainted

• Direct Command Execution

Example:

Selecting

k k k k k Exponential Display

The calculator normally displays values up to 10 digits long. Values that exceed this

limit are automatically converted to and displayed in exponential format. You can

specify one of two different ranges for automatic changeover to exponential display.

u u u u u To change the exponential display range

1. Press !Z to display the Set Up Screen.

2. Use f and c to move the highlighting to "Display".

3. Press 3 (Norm).

The exponential display range switches between Norm 1 and Norm 2 each time you

perform the above operation. There is no display indicator to show you which expo-

nential display range is currently in effect, but you can always check it by seeing what

results the following calculation produces.

All of the examples in this manual show calculation results using Norm 1.

P.27

For full details about the "Display", see "Selecting Value Display Modes".

u u u u u How to interpret exponential format

1.2

move the decimal point in 1.2 twelve places to the right, because the exponent is

positive. This results in the value 1,200,000,000,000.

1.2

move the decimal point in 1.2 three places to the left, because the exponent is nega-

tive. This results in the value 0.0012.

executes the DRAW command.

Norm 1 ............ 10

Norm 2 ............ 10

Ab/caaw

indicates that the result is equivalent to 1.2 × 10

+12

indicates that the result is equivalent to 1.2 × 10

–03

–2

(0.01) > |x|, |x| > 10

(0.000000001) > |x|, |x| > 10

–9

. This means that you should

–3

. This means that you should

(Norm 1)

(Norm 2)