
In this section you will find useful documentation relating to mathematics that I have developed over the years.
The calculators I've developed for fun and profit, the rest I did while I was teaching Mathematics at Pima Community College in Tucson, AZ.
The "Systems" and "Simplex Method" pages use JavaScript for all calculations.
If you view the source, you'll notice I have a rather odd method for doing the calculations.
I use what I call "Rational Calculating."
I store the each number in a twodimensional array  one for the numerator and one for the denominator.
The four basic operations  addition, subtraction, multiplication and division  are very easy to do this way,
and I keep very accurate values during intermediate operations because there is no roundoff error.
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