Calculations and Formulas

How to Find Pythagorean Dates for Any Year

May 14, 2013 by Mike DeHaan Leave a Comment

5-12-13 Right Angle Triangle via Microsoft Mathematics Triangle Solver : image by Mike DeHaan

You can find this year’s Pythagorean dates – dates that fit into the Pythagorean theorem – with a simple spreadsheet that finds right angle days.

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Filed Under: Calculations and Formulas Tagged With: geometry, hypoteneuse, math, math problem, mathematics, pythagorean dates, Pythagorean Theorem, right triangle

How to Calculate Compound Interest

April 16, 2013 by Mike DeHaan Leave a Comment

You can use compound interest in many areas, from credit cards and loans to calculating population growth; first, you need to know how the formulas work.

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Filed Under: Calculations and Formulas Tagged With: math, mathematics

How to Calculate Simple Interest: Math Calculations

April 11, 2013 by Mike DeHaan Leave a Comment

Simple interest calculations aren't as hard as they look - especially if you know what the variables stand for, and how the terms are defined. Click for larger view. Image by Decoded Science.

Calculating simple interest is really very simple, once you learn the meaning behind the math terms and formulas used in the calculations.

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Filed Under: Calculations and Formulas Tagged With: interest, math, mathematics, simple interest

Cancer Research Applies a Markov Chain Monte Carlo Approach

March 28, 2013 by Mike DeHaan Leave a Comment

Two State Markov Chain : image by Joxemai4

Cancer research just took a leap forward, with the application of math – namely a Markov Chain Monte Carlo approach to predicting cancer progression.

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Filed Under: Calculations and Formulas, Headlines Tagged With: cancer research, cancer treatment, lung cancer, markov chain, markov chain model, math, mathematics, monte carlo, monte carlo simulation

The Circled Square Math Problem Claims Pi Equals Four

March 27, 2013 by Mike DeHaan Leave a Comment

Approximate PI from a Perimeter using the Sine Function : image by Mike DeHaan

Does the troll’s circle-square math cartoon accurately demonstrate that pi is closer to 4, instead of the accepted value, 3.1415… and so on?

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Filed Under: Calculations and Formulas Tagged With: circle, circled square, circumference, law of sines, math, math problem, mathematics, perimeter, pi, square

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How to Find Pythagorean Dates for Any Year

How to Calculate Compound Interest

How to Calculate Simple Interest: Math Calculations

Cancer Research Applies a Markov Chain Monte Carlo Approach

The Circled Square Math Problem Claims Pi Equals Four

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