20,846 reputation
42568
bio website none
location Ann Arbor, MI
age 76
visits member for 2 years
seen 16 hours ago

I am a retired software developer. I retired at the end of 2003 and since then my computer programming activities have been for recreational purposes. I find Mathematica excellent for that.

I started using Mathematica in 1997 (Ver. 3). I am currently using Ver. 9. Although I have used Mathematica for all kinds of stuff, I use it mostly to pursue my long standing interest in Euclidean geometry, both in its classical Greek synthetic form and in its more modern analytical/transformational form.


Sep
7
reviewed Leave Open How can I visualize an array of very small vectors spaced on very large grid?
Sep
6
reviewed Leave Open How to use Assuming and If together?
Sep
5
reviewed No Action Needed ContourPlot is slow and unwieldy and generates a large-data graphic
Sep
4
reviewed Close Mathematica and System Modeler licensing per year or forever?
Sep
4
reviewed Reject suggested edit on Hypergeometric function with a matrix argument
Sep
4
reviewed Approve suggested edit on panels tag wiki excerpt
Sep
4
reviewed Leave Open How to extract the probability density function from SmoothHistogram?
Sep
4
reviewed Edit and Reopen Eliminate z from two equations in x, y, z and plot y as a function of x
Sep
4
reviewed No Action Needed Why PlotLegends doesn't give the legends ?
Sep
3
reviewed No Action Needed Specifying independence of a variable in a function
Sep
3
reviewed Reviewed Problem displaying eps exported histograms in Word 2010
Sep
3
reviewed Close How to build a game board
Aug
31
reviewed Leave Closed Hypergeometric function with a matrix argument
Aug
30
reviewed Reviewed Install issue: Mathematica 9 on Ubuntu 13.10
Aug
26
reviewed No Action Needed Can I check if an expression is positive using assumptions?
Aug
25
reviewed Reviewed Counting the zeros in a factorial expansion
Aug
24
reviewed Reviewed How to factorise a variable out of an indefinite sum?
Aug
24
reviewed Reviewed FindFit with parameters which are simultaneously in initial conditions
Aug
24
reviewed No Action Needed How do I set up conditions at infinity?
Aug
22
reviewed Leave Closed Appending to $Assumptions - Error “Nonatomic expression expected”