Casio fx-260 Sposób użycia - Strona 2

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Mathematics

Calculator Directions for Casio fx-260

To find the square root of a number

• enter the number

• press the

• press

root. DO NOT press and

Example C:

First press

Enter the following:

The correct answer is 8.

To enter a negative number such as -8

• enter the number without the negative sign (enter 8);

• press the "change sign" (

All arithmetic can be done with positive and/or negative numbers.

Example D:

First press

Enter the following:

The correct answer is -4.

(upper leftmost) key ("SHIFT" appears at top-left of the screen);

(third from the left on top row) to access its second function: square

and

) key which is directly above the

(continued)

at the same time.

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key