Mastering the Calculator using the Sharp EL-531LH 9
3. Brackets
Find the set of bracket keys on your calculator.
The EL-531LH allows you to many sets of brackets.
Example
Do the calculation 471 – (93 + 11 + 2) on the calculator.
The keystrokes required are
The display should read 365
Sometimes in calculations you will see other grouping symbols, for example, { } (called
braces), [ ] (called square brackets).
Try these examples:
Exercise 1
(a) 25 + (7 + 2 – 4)
(b) 18 (3 + 7) [a multiplication sign is understood 18 × (3 + 7)]
LH bracket key
RH bracket key
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