This textbook covers calculus of a single variable, suitable for a year-long (or two-semester) course. The book is designed for students who have completed courses in high-school algebra, geometry, and trigonometry.
Looks at the language of numbers through common situations, such as playing games or cooking. Puts your decision-making skills to the test by helping you decide whether buying or leasing a new car is right for you, and by enabling you to predict how much money you can save for your retirement by using an interest calculator.
Non-profit organization dedicated to "providing a free world-class education to anyone anywhere." The materials and resources on the website are available free of charge. There are over 3,100 videos on everything from arithmetic to physics, finance, and history, with hundreds of skills to practice.
This is the world's most comprehensive and longest-running abstracting and reviewing service in pure and applied mathematics. It offers an extensive book and journal coverage, which starts in the 18th century to the present day.
arXiv is a free distribution service and an open-access archive for 2,013,609 scholarly articles in the fields of physics, mathematics, computer science, quantitative biology, quantitative finance, statistics, electrical engineering and systems science, and economics.