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visits member for 2 years, 2 months
seen 36 mins ago

1h
asked How to align enumerate and add answer to exercises?
2d
comment How to make right angle mark in geometry 3D like this picture?
@BenjaminMcKay I used Geogebra to draw. I think, Tikz is a strong tool. It's easy to draw my picture.
2d
comment How to make right angle mark in geometry 3D like this picture?
@cfr I want to draw it with another way.
2d
comment How to make right angle mark in geometry 3D like this picture?
If 1234 is not a square, I think, we can not make a system of coordinates like that.
Nov
24
asked How to make right angle mark in geometry 3D like this picture?
Nov
18
comment How can I add the word “Chap” before the chapters numbers in the Toc in class report?
How Can add the word Index in \tableofcontents?
Nov
13
comment How can I draw -> in forest?
@cfr Thank you very much. I shall post another question as you said.
Nov
12
accepted How can I draw -> in forest?
Nov
12
comment How can I draw -> in forest?
If I want edge is a curve, how can I do it?
Nov
12
comment How can I draw -> in forest?
Thank you very much.
Nov
12
comment How can I draw -> in forest?
@HarishKumar I tried. Thank you very much.
Nov
12
revised How can I draw -> in forest?
added 23 characters in body
Nov
12
asked How can I draw -> in forest?
Nov
9
awarded  Tumbleweed
Nov
8
accepted How can I fill the ring like this picture?
Nov
8
comment How can I fill the ring like this picture?
Yes. Thank you very much. I voted for you.
Nov
8
comment How can I fill the ring like this picture?
And how about format of fill, none black?
Nov
8
asked How can I fill the ring like this picture?
Nov
4
awarded  Popular Question
Nov
3
comment How can I produce exercises in one part of a LaTeX document with selected answers in another?
@cgnieder I used \usepackage[vietnam]{babel}, but the Questions and the Solutions did not translate.