Calculator "Arithme-tricks"

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 !

1. Enter any 1-, 2-, 3-, 4-, or 5- digit number that doesn't end in zero.
2. Multiply by 2.
3. Add 4.
4. Multiply by 5.
5. Add 12.
6. Multiply by 10.
7. Subtract 320.
8. Divide by 100.
9. Press the = key --- you should have the original number!!

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!!

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!!

1. Enter the number of the month you were born.  January - 1, Feb. - 2, etc.
2. Multiply by 20.
3. Add 3.
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!!

      1.  Write down two one-digit numbers.
      2.  Enter the first digit.
      3.  Multiply by 5.  Press =
      4.  Add 3.  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
2. Reverse the number in your head.   (974)
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. 
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