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Creates cryptographic software components for Windows developers; includes the fundamentals of cryptography and inclusion in program code.

Selection of optical illusions, hidden images, impossible objects and upside down images.

Includes a listing of upcoming events, academic offerings, visitor information, admissions and alumni.

New free puzzles daily: Word Search, Crossword Puzzle, Picture Scramble, Logic Problem, Cryptogram, Memory Match, Kriss Kross, Word Math, and more.

Cryptographs are puzzles featuring a portrait of a famous person and an encrypted quotation (cryptogram) of its source or subject.

cryptograms by louise is a place to find free cryptograms, locate cryptogram books, and buy cryptogram ebooks by louise b. moll

Riddles, puzzles and brain teasers to challenge and entertain all ages. [E-mail lists]

Letter Frequency and Word Frequency in the English Language (a.k.a. Letter Frequencies and Word Frequencies) and other Language Frequencies