Order Of Operations And Parentheses - Texas Instruments TI-30X - IIS Scientific Calculator Teachers Manual

Order of Operations and Parentheses

Keys
1. D opens a parenthetical expression.
2. E closes a parenthetical expression.
© 1999 T I I
EXAS NSTRUMENTS NCORPORATED
Notes
The examples on the transparency masters
assume all default settings.
The transparency master showing the
Equation Operating System (EOS
demonstrates the order in which the
TI-30X ÙS completes calculations.
Operations inside parentheses are
performed first. Use D E to change the
order of operations and, therefore, change
the result.
Example: 1 + 2 x 3 = 7
(1 + 2) x 3 = 9
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TI-30X ÙS: A Guide for Teachers
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