Using Parentheses - Texas Instruments TI-84 Plus Manual Book

Using parentheses

Since all calculations inside parentheses are completed first, it is
sometimes important to place a portion of an expression inside
parentheses.
Example: Multiply 4...1+2; then multiply 4...(1+2).
Press
¯ Ã
4 1 2
Í
¯ £ Ã ¤
4 1 2
Í
The closing parenthesis ¤ is optional. The operation will be
Note:
completed if you omit it. The exception to this rule occurs when there is
another operation following the parenthetical operation. In this case,
you must include the closing parenthesis.
Example: Divide 1/2 by 2/3.
Press
£ ¥ ¤ ¥
1 2
£ ¥ ¤
2 3
Í
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Result
Result
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