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A vector has magnitude (how long it is) and direction : Unit Vector A Unit Vector has a magnitude of 1 : The symbol is...
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One of the most interesting Number Patterns is Pascal's Triangle (named after Blaise Pascal , a famous French Mathematician and Philosop...
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Puzzles, Maths and Algorithms: Number and Age of David's Kids Problem : The product of the ages of David's children is the square of...
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Using modular multiplication rules: i.e. A^2 mod C = (A * A) mod C = ( (A mod C) * (A mod C) ) mod C We can use this to calculate 7^25...
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https://en.wikipedia.org/wiki/Inclusion%E2%80%93exclusion_principle the inclusion–exclusion principle is a counting technique which gen...
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Prime Factorization "Prime Factorization" is finding which prime numbers multiply together to make the original number. Exa...
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Probability Puzzle - PrismoSkills Puzzle : If the probability of observing a car in 20 minutes on a highway is 609/625, what is the probabi...
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If ( Ω , A , P ) is a probability space , then a random variable on Ω is a measurable function X : ( Ω , A ) → S to a measurable space ...
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Barycentric Coordinates Barycentric coordinates are triples of numbers corresponding to masses placed at the vertices of a refe...
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Documents and queries are represented as vectors by . Each dimension corresponds to a separate term. If a term occurs in the docu...
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