21,938 reputation
42571
bio website none
location Ann Arbor, MI
age 77
visits member for 2 years, 3 months
seen 21 mins 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.


Jan
25
revised Maximize[Cos[x - 1], x] is not evaluated
Improved formatting
Jan
25
comment Permanently rounding numbers/values to a given number of significant figures
Have you looked at NumberForm?
Jan
25
comment Permanently rounding numbers/values to a given number of significant figures
In my opinion your question would be much improved if you were to edit out the ranting and just present the numerics problem you want to address.
Jan
25
revised Permanently rounding numbers/values to a given number of significant figures
deleted 28 characters in body; edited title
Jan
25
reviewed No Action Needed Permanently rounding numbers/values to a given number of significant figures
Jan
25
revised Display level of recursion of a recursive function during execution
edited body
Jan
25
revised Display level of recursion of a recursive function during execution
edited title
Jan
25
answered Display level of recursion of a recursive function during execution
Jan
25
revised Fit convoluted Gaussian and Lorentzian functions to a peak profile
deleted 54 characters in body
Jan
25
reviewed No Action Needed Hiding a Manipulate slider
Jan
24
comment ParametricPlot3D plot n functions
It seems to me that there might be a problem with using {n-1, n+1} as the range of the plot along the y-axis. Should this perhaps not be {0, n+1}?
Jan
24
revised Boundary sphere partial differential equation
edited title
Jan
24
revised Is there any strategy to have a compiled version of FindFit or NonlinearModelFit?
deleted 35 characters in body
Jan
24
revised How can I get all solutions of a system of equations with Reduce?
Routine clean-up
Jan
24
revised Proving large inequality in 6 variables
edited title; edited body
Jan
23
revised Good sources of programming exercises for learning Mathematica programming?
added 3 characters in body
Jan
23
comment Good sources of programming exercises for learning Mathematica programming?
Follow this link to find out how get David Wagner's book as a free download.
Jan
23
revised How can I run a Normal Boundary Intersection method?
Minor clean-up
Jan
23
reviewed Reviewed ParametricPlot3D plot n functions
Jan
23
revised ParametricPlot3D plot n functions
added 34 characters in body