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Mountain of the Knowledge Master
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Dr. Inventor's House
Fun Park
Glossary
For Teachers and Parents
Fun Park Here are some magic tricks and games for your calculator!
Index Guess Your Friend's Favorite Number! Guess Numbers Rolled on Three Dice! Guess Your Friend's Birthday!
Guess Your Friend's Favorite Number!

First, hand the calculator to your friend.
Tell your friend to do the following:

Amazing! The final answer is your friend's favorite number!
Click here if you want to know how this magic trick works.
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