The Handy Math Answer Book app for iPhone and iPad

From modern-day challenges such as balancing a checkbook, following the stock market, buying a home, and figuring out credit card finance charges to appreciating historical developments like the use of algebra by Mesopotamian mathematicians, this engaging resource addresses more than 1,000 questions relating to mathematics. Providing a complete overview—beginning with the early history of Pythagoras, Archimedes, and how some of the first calendars were invented—this guide helps answer questions surrounding the basics and fundamentals of algebra, calculus, geometry, and trigonometry. Organized in 16 chapters that cluster similar topics in an easily accessible format, this reference provides clear and concise explanations to paradoxes, theories, fundamentals of geometry, and other branches of mathematics, plus the numbers we see daily in statistics, financial and market reports, weather forecasts, real estate evaluations, games, and measurements of all kinds.