Address:

2831 W. Parker Rd.,Suite No. 5,Plano, TX 75023

Telephone:

(972)897-6909

Puzzle of the Week

http://www.cut-the-knot.org/index.shtml
this site has several puzzles at different levels of complexity
The Puzzle:
Use the numerals 1, 9, 9 and 6 exactly in that order to make the following numbers: 28, 32, 35, 38, 72, 73, 76, 77, 100 and 1000 You can use the mathematical symbols +, -, ×, /, √, ^ (exponent symbol) and brackets.

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