10 Mastering the Calculator using the Sharp EL-531LH
(c) 4 + 5 [2 (3 + 7)] [to use two sets of brackets just press the same button; this calculator can
take up to 6 sets of brackets]
(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.)
Press
the display should read 36.
Or you can use the power key on your calculator.
Find the y
x
key on your calculator.
32+()
------------
power key
square key
square root key
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