The proof, known to be so hard that a mathematician once offered 10 martinis to whoever could figure it out, uses number ...

Mathematics is the study of order, relation and pattern. From its origins in counting and measuring it has evolved in highly sophisticated and elegant ways to become the language now used to describe ...

[C] [School21] Graphic calculator getting input from keyboard and computing the answer using RPN. Has many math functions, can draw beautiful graphs ...

For math and economics students, notetaking software that converts lecture notes into equations and graphs eases the learning process. Handwritten notes, although great for memorization, make solving ...

Introduction, Statements, and Notation, Connectives, Well-formed formulas, Tautology, Duality law, Equivalence, Implication, Normal Forms, Functionally complete set ...