A graph is a visual display of numeric values. A graph is a picture. Graphs make numbers and number comparisons more understandable. Graphs summarize data, show trends, and display patterns. Graphs make it quick and easy to interpret a large…
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Statistics is the study of samples sets of data. Statistical study of data samples is used to make inferences about the entire population that the sample represents. For example, suppose you have a large order of French fries. After eating…
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The purpose of a graph is to visually depict a set of data in a manner that all of the data can be viewed simultaneously and quickly processed by the interpreter. A graph is typically presented on a two dimensional…
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Statistics may be used in a variety of ways in business, but as an actuarial analyst from an employee benefits consulting firm, I will tell you how statistics, or more specifically actuarial science, is used in pension consulting. But first…
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Mathematics is a subject that traditionally has been divided into various branches, some of which are interrelated: algebra, trigonometry, geometry, statistics, calculus, etc. Geometry and trigonometry are but two of the branches that we study probably in junior high school…
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A quadratic equation has a common form of ax^2 + bx + c = 0. It is polynomials with order of two. This equation is ubiquitous equation in mathematics and physics. We call the value of x that satisfies the…
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For some people, mathematics is not important. They never handle money or plan how to save or spend it. They are not interested in using logic in life, but rely on instinct and emotion to carry them through. They want…
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Most early civilizations had counting systems. The Babylonians, Egyptians, and Chinese had calendars. The Egyptians had hieroglyphics in 3400 BC. The Babylonians, Romans, Chinese, Greeks, Mayans, and Hindus all had positional number systems. The Sumerians used fractions, algebra, multiplication tables,…
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The square root of a number is whatever number will, when multiplied by itself, be that number. Examples are 3 is the square root of 9 since 3 times 3 equals 9, 7 is the square root of 49 since…
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Many of the hottest and trendiest physics and mathematics theories nowadays refer to multiple dimensions. But visualizing multiple dimensions is one of the hardest feats of imagination there are. Humans are born into a three dimensional world, and we always…
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