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MiniTricks and Keyboard Puzzles
Faster than the Calculator
Magicians Treasure Chest
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add the number Ask this guest ask your friend Ask your guest astronauts banana cake Calculation formula Calculation pattern Calculation program Let calculations yield candles chain operation code digits column culator diagonal display by pressing dungeon entertainments Example Let favorite number FIGURE final digit sum flip-flop four-digit number Friar Tuck friend writes guest and ask guest to enter identification numbers last digit last two digits Let the favorite Let the number Long John Silver magic square Martian dollars missing numbers multiply the number number appearing number formed number key number of digits number representing Number-Pyramid Obtain one-digit number operations yield original number pass the calculator performed player pocket calculator remaining digits Robin Hood secret number sequence Shahrazad Sherlock Holmes shown in Fig Someone's square constant stubborn digits subtract tell three-digit number transposition of 142857 Trick formula trick lies whole number winning positions