MathType

If any of you are like me, you might not be fully motivated to learn the ways of LaTeX just yet.  Here is a program that Dr. Kuhlmann introduced to me last semester for my presentations. It can be downloaded onto Macs or PCs. It loads right into your Microsoft or...

TeX on our blog

 In our blog, you can use TeX (on any page, post, or comment)  by including the codeword latexpage in square bracket somewhere near the top. Then use regular TeX code.  Our blog has installed a “plug-in” called QuickLaTex to make it all work.  Try it!!...

using GeoGebra

Geometer’s Sketchpad is a useful tool for visualizing euclidean constructs, as well as a multitude of other things.  However, it is also expensive, with a new license running around $70, and renewals at $50. Luckily, there is an open source version of the...

Statistics using R

According to Wikipedia  https://en.wikipedia.org/wiki/R_Statistics  :     R is an open source programming language and software environment for statistical computing and graphics. The R language is widely used among statisticians for developing statistical software...

Octave, MATLAB history

MATLAB  started as a simple “Matrix Laboratory.” Cleve Moler was one of the founders; J. H. Wilkinson, George Forsythe, and John Todd, played important roles in the origins of MATLAB. Here is a link to “Cleve’s Corner” with an account beginning more...

Octave ODE’s

Here is an example of a single first-order differential equation: function xdot = f(x,t) xdot(1)=-x(1); endfunction; x0=[1]; t=linspace(0,6,50)’; x=lsode(“f”,x0,t); plot(t,x) Here is a system of differential equations; both dependent variables are...