• Calculator "Arithme-tricks"
Try these at home and amaze your family!!
Lucky 13
1. Choose any 3-digit number.  Enter it twice, so you have a 6-digit number.
2. Divide by 11, then press =.
3. Divide by 7, then press =.
4. Divide by the original 3-digit number.
5. Press the = key ---  you should have 13 !

Been There, Done That!!
1. Enter any 1-, 2-, 3-, 4-, or 5- digit number that doesn't end in zero.
2. Multiply by 2.
4. Multiply by 5.
6. Multiply by 10.
7. Subtract 320.
8. Divide by 100.
9. Press the = key --- you should have the original number!!

Repeat After Me
1. Enter any 3-digit number.
2. Multiply by 13.
3. Multiply by 11.
4. Multiply by 7.
5. Press the = key --- you should have your original number, repeated as a 6-digit number!!
Triple Play
1. On your paper, write down any 3-digit number.
2. Add the 3 digits together to get the sum.
3. Enter that sum into your calculator.
4. Multiply by 37.
5. Press the = key ---  you should get the 3-digit number!!
Birthdazed     (This is a tricky one, as there are many steps.  Press carefully!)
1. Enter the number of the month you were born.  January - 1, Feb. - 2, etc.
2. Multiply by 20.
4. Multiply by 5.
5. Add the number of the day of the month you were born.
6. Repeat steps 2 to 4.
7. Add the last two numbers of the year you were born and press the = key.
8. Subtract 1,515 and press the = key --- you should get your birthdate in numbers!!

NEW in June, 2014!!

Two Thumbs Up!!

1.  Write down two one-digit numbers.
2.  Enter the first digit.
3.  Multiply by 5.  Press =
5.  Multiply by 2.  Press =
6.  Add the second digit.  Press =
7.  Subtract 6.
8.  Fress the = key.  Should be the 2 digits in a number!

Reverse It!!

1. Enter any three-digit number.            479
3. Add the new number to the original number.   479 + 974
4. Press the + key.         + (1,453)
5. If you don't have a palindrome yet, enter the reverse of the answer you just got.  Press the + key.     3451 + (4,994)
6. If you still don't have a palindrome, repeat step 5 until you do!  Hint:  This trick usually takes three to four steps to work.

7. ----