Sunday, February 27, 2011

673 - Parentheses Balance


640 - Self Numbers


623 - 500!


621 - Secret Research


591 - Box of Bricks


583 - Prime Factors


579 - ClockHands


575 - Skew Binary


573 - The Snail


568 - Just the Facts

543 - Goldbach's Conjecture

541 - Error Correction


530 - Binomial Showdown


499- What's The Frequency, Kenneth?


495 - Fibonacci Freeze


494 - Kindergarten Counting Game


490 - Rotating Sentences


489 - Hangman Judge


488 - Triangle Wave


484- The Department of Redundancy Department


483 - Word Scramble


476- Points in Figures: Rectangles


465 - Overflow


458 - The Decoder


424 - Integer Inquiry


414 - Machined Surfaces


412 - Pi


408 - Uniform Generator


406 - Prime Cuts


382 - Perfection


375- Inscribed Circles and Isosceles Triangles


374 - Big Mod


369 - Combinations


350 - Pseudo-Random Number


324 - Factorial Frequencies


299 - Train Swapping


294 - Divisors


272 - TEX Quotes


264 - Count on Cantor


256 - Quirksome Squares


160 - Factors and Factorials


146 - ID Codes


136 - Ugly Numbers


113 - Power of Cryptography


Friday, February 18, 2011

11879 - Multiple of 17


11878 - Homework Checker


11877 - The Coco-Cola Store


11854 - Egypt


11849 - CD


11805 - Bafana Bafana


11777 - Automate the Grades


11764 - Jumping Mario


11743 - Credit Check


11727 - Cost Cutting


11716 - Digital Fortress


11715 - Car


11713 - Abstract Names


11689 - Soda Surpler


11677 - Alarm Clock


11661 - Burger Time?


11614 - Etruscan Warriors Never Play Chess


11636 - Hello World!


11608 - No Problem


11577 - Letter Frequency


11462 - Age Sort


11417 - GCD


11408 - Count DePrimes


11388 - GCD LCM


11369 - Shopaholic


11332 - Summing Digits


11292 - Dragon of Loowater


11233 - Deli Deli


11185 - Ternary


11150 - Cola


11068 - An Easy Task


10948 - The primary problem


10940 - Throwing cards away II


10931 - Parity


10929 - You can say 11


10924 - Prime Words


10921 - Find the Telephone


10852 - Less Prime


10763 - Foreign Exchange


10699 - Count the factors


10678 - The Grazing Cow


10673 - Play with Floor and Ceiling


10533 - Digit Primes


10530 - Guessing Game


10450 - World Cup Noise


10424 - Love Calculator


10407 - Simple division


10324 - Zeros and Ones


10295 - Hay Points


10235 - Simply Emirp


10200 - Prime Time


10193 - All You Need Is Love


Wednesday, February 9, 2011

10137 - The Trip


10127 - Ones


10107 - What is the Median?


10104 - Euclid Problem


10070 - Leap Year or Not Leap Year and …


913 - Joana and the Odd Numbers


727 - Equation


644 - Immediate Decodability


594 - One Little, Two Little, Three Little Endians


401 - Palindromes


382 - Perfection


263-Number Chains