Calculator Tricks Magic Buttons for the TI-30Xa

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Transcript Calculator Tricks Magic Buttons for the TI-30Xa

Calculator
Tricks
Magic Buttons for the TI-30Xa
Exponents
• 75
• Cubed ~ 83
• 6.2 x 106
Evaluate the following:
1.
Find 2 cubed
2.
55
3.
1.09 x 104
8
3,125
10,900
Squares
• Squared
• 52
• A = s2 (area of a square)
Find the following:
1. 12 squared
144
2. Area of a square with
sides of 4 in 16 in2
3. 162
256
Square Roots
25
Square root of 9
Find the following square roots:
1.
2.
196
400
14
20
Which are
perfect squares?
3. sq rt of 132 11.49
Pi
• Pi
•é
• 3.14 or 22/7
What is pi?
é=
3.141592654…