Mathemagic!
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Number tricks for children which includes Digital wizardry, mind games calculator magic and more!
Number tricks for children which includes Digital wizardry, mind games calculator magic and more!
Includes elementary puzzles, number stunts, mental multiplication, interest rates, oddities, and more.
Using proven techniques, this volume shows how to add, subtract, multiply and divide faster than is possible with a calculator or pencil and paper, and helps re
‘Zero is very special. There is no other number quite like it in the universe.’ So says Sir Tzyphyr. Sir Tzyphyr is no ordinary magician. He is the greatest
Dozens of number tricks from easy to expert.