## Opposites on Your Computer's Calculator

 Your Computer's Calculator NOTES: No points have been marked on this page for BREAKs. Decide for yourself when to break. Keep both notes open and your calculator open.

The Opposite of A Number

Please use your computer's calculator to as we examine the opposite of a number.

 Example #1: Writing the Opposite of Five Type 5 on the calculator screen. Press [+/-], the opposite key to write the opposite of five. The result is -5, negative five, the opposite of five.

 Example #2: Writing the Opposite of Negative Five Type -5 on the calculator screen by: -- Typing 5 then -- Pressing [+/-] to write -5. Press [+/-], the opposite key to write the opposite of this. The result is 5, five, positive five, the opposite of negative five.

 Example #3: Simplify: -(-(-(-(-(-2))))) Do innermost first, according to order of operations. Type 2. Press [+/-] to change this to -2. Press [+/-] 5 more times, once for each negative sign. The result is 2. OR Type 2. Press [+/-] 6 times, once for each negative sign. The result is 2.

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