By: Chu Chin Kwok
Probability or more precisely probability theory is a very interesting branch of mathematics that has many applications in practically all the fields of human endeavour  especially in the many areas of engineering, agriculture, medicine and the social sciences. In simple terms, probability is a...

By: Janet Grischy
Poker and bridge are not gambling games. Both contain an element of chance, but consistent winners and losers emerge in each game over time. In addition to their understanding of psychology, and their excellent memories, winners at bridge and poker employ a very precise...

By: Matthew Adams
Bar, line and pie graphs are three types of graph that can be used to chart values. To consider each graph separately: Bar graphs: The bar graph is a graph that uses bars to represent values from a given range. Here, bars are plotted alongside...
How decimals indicate fractions
By: Steven Mars
A fraction is a number that can be expressed as the quotient of two integers. A decimal represents a fraction using a period followed by tenths, hundredths, thousandths, etc. Examples are .3=3/10, .25=25/100, .752=752/1000, and .3079=3079/10000. A decimal number can include an integer. Examples are...
Understanding the Pythagorean theorem
By: Ikaros Marks
Understanding Pythagorean principles From simple things like a thread of a screw or the construction of a ramp to more complex issues such as the calculation of distance and angle for the layout of a building; all these things rely heavily on Pythagoras' Theorem...
Understanding quadratic equations
By: Chu Chin Kwok
The quadratic equation is one of the important topics studied under algebra in the Senior High School years. Understanding the various methods of solving the quadratic equation is prerequisite to learning the many applications of this important algebraic equation. The general quadratic equation is...
By: Darian Peters
The mathematician and scientist Carl Friedrich Gauss (17771855) was born in Braunschweig, Germany and his work has had a significant influence on modern mathematics. This influence stretches across a variety of fields in both mathematics and science, including algebra, analysis, astronomy, geometry, number theory, and...
What is the difference between algebra and calculus?
By: Chu Chin Kwok
What is the difference between Algebra and Calculus? Algebra and calculus are two fairly distinct branches of mathematics; to say that they are not related is probably not strictly right in that most branches of mathematics are somehow interrelated  but this does not...
By: David J. Eloi
We see that the theory of probabilities is at bottom only common sense reduced to calculation; it makes us appreciate with exactitude what reasonable minds feel by sort of instinct, often without being able to account for it ~PierreSimon Laplace The objective of mathematics is...
Do Sudoku puzzles improve mathematical skills?
By: Morgan Carlson
Asking whether Sudoku puzzles improve mathematical skill is like asking whether Word Search puzzles improve vocabulary skills. Both puzzles are of a similar type, where maybe the number or word being sought doesn't really register in the mind as what it represents, but as just...
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