3,074 reputation
1721
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location Germany
age 68
visits member for 2 years, 10 months
seen Jun 26 '13 at 15:59

I'm a retired college math teacher. I use Mathematica since version 2.2 and begun TeX with emTeX about 1990. Other languages I use are C, Perl, bash ...


Jul
2
awarded  Curious
Jul
2
awarded  Nice Answer
Jan
29
awarded  Yearling
Jun
26
awarded  Nice Question
Jan
30
awarded  Enlightened
Jan
29
awarded  Yearling
Jan
14
comment func::usage needs to be run twice?
This happens for me too, also in M9. I seems get glibberish if the usage contains super or subscripts.
Jan
8
answered Define an 'inner product' with AngleBracket
Dec
13
comment some Graphics output do not fully render on the screen until an extra click is made into the notebook
On my Mac with (ATI Radeon HD 4850) I don't get the issue you describe (using V9)
Nov
22
answered Multivariable Taylor expansion does not work as expected
Nov
2
comment Is there a way to “lock” some cells in a notebook?
@murray, nice tip. I wasn't aware of the Deletable option.
Oct
31
answered Is there a way to “lock” some cells in a notebook?
Oct
25
awarded  Nice Answer
Oct
3
revised Do people actually use UpValues?
corrected a typo in input.
Oct
2
answered Do people actually use UpValues?
Sep
24
awarded  Constituent
Sep
11
answered How can I avoid label collisions?
Sep
11
awarded  Caucus
Sep
3
awarded  Civic Duty
Aug
6
comment Why didn't Reduce give me the right result?
@J.M. I coudn't reproduce the first output.