261 reputation
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visits member for 2 years, 7 months
seen Dec 5 '13 at 22:03

Jul
2
awarded  Curious
Mar
27
awarded  Famous Question
Oct
10
awarded  Yearling
Sep
8
comment Ratio - volume of a pyramid $ABCF$ to volume of a cuboid $ABCDEFGH$
in French: un prisme rectangulaire droit, un cuboïde carré, une boîte carrée, un prisme carré droit, un prisme carré; in Spanish: un Ortoedro; in German: ein Quader
Sep
8
asked Ratio - volume of a pyramid $ABCF$ to volume of a cuboid $ABCDEFGH$
Aug
25
accepted How to calculate the intersection of two planes?
Aug
25
asked How to calculate the intersection of two planes?
Jul
13
accepted Eigenvectors of matrix (2x2) when I don't get integer eigenvalues?
Jul
13
answered Eigenvectors of matrix (2x2) when I don't get integer eigenvalues?
Jul
13
asked Eigenvectors of matrix (2x2) when I don't get integer eigenvalues?
Jul
13
accepted Is the unit disk in $\Bbb R^2$ a subspace?
Jul
13
revised Is the unit disk in $\Bbb R^2$ a subspace?
deleted 6 characters in body
Jul
12
asked Is the unit disk in $\Bbb R^2$ a subspace?
Jul
12
awarded  Supporter
Jul
12
accepted Translation from Spanish - Simple differentiation exercise
Jul
12
revised Translation from Spanish - Simple differentiation exercise
added 4 characters in body
Jul
12
asked Translation from Spanish - Simple differentiation exercise
May
8
awarded  Notable Question
Jan
17
awarded  Popular Question
Dec
28
revised Example - linear map
deleted 4 characters in body