Jack McCaffery

This application is a great resource for anyone dealing with trigonometry. It contains all the standard trig identities along with Taylor series, inve …

This is a reference with nearly 500 definite and indefinite integrals, organized by functional form. This is an essential resource for any scientist o …

Lex is a word guessing game that combines vocabulary with logical reasoning. If you like the games Lingo or Mastermind, you'll love Lex. This full …

Lex is a word guessing game that combines vocabulary with logical reasoning. You get five chances to guess the hidden word with clues given after each …