In the real world, calculus is used to build search engines and weather models, to study epidemiology and to construct buildings and bridges. Algorithms derived from calculus also allow searches to be conducted on social... More »

Trigonometry is often used in real world applications, such as astronomy, architecture, engineering, music theory and geography. Trigonometry was originally developed for geography and astronomy. More »

Trigonometry has applications in a number of scientific fields, ranging from geography and astronomy to engineering and physics. One of the most important early real-life examples of trigonometry involved using the knowl... More »

Precalculus is used in various fields like chemistry, biology and economics in the real world. It is used to make mathematical models or calculations for getting an optimal answer. More »

There are many applications in which calculus is used in real life, such as calculating minimum payments due on credit cards, determining the length of cable required to connect two substations and evaluating survey data... More »

Because of its strength and light weight, balsa wood is most commonly used in making models of structures, such as bridges, buildings, boats and aircraft. The use of balsa wood is common in model airplanes, especially ra... More »

A few examples of how logarithms are used in the real world include measuring the magnitude of earthquakes or the intensity of sound and determining acidity. A logarithm explains how many times a number is multiplied to ... More »