Casio fx-82MS, Руководство пользователя

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Mastering the Calculator using the Casio fx-82MS
11
Try these examples:
Exercise 1
(a) 25 + (7 + 2 – 4)
(b) 18 (3 + 7) [a multiplication sign is understood 18
×
(3 + 7)] but you don’t need to press the
× key
(c) 4 + 5 [2 (3 + 7)] [to use two sets of brackets just press the same button]
(d)
Answers: 30; 180; 104; 1
4. Powers
4.1 Squaring and higher powers
6
2
means 6
×
6. You can use the square key to do this calculation. (It is shown on the
photograph of your calculator here.)
5
3 2 +
( )
-----------------
power key
square key
square root key