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Nov
22
answered How do I type the symbol in TeX?
Nov
22
answered Change the sans serif math font
Nov
22
answered How to draw multi row multi colum table with many filelds
Nov
21
answered Prevent linebreak before enumerate
Nov
21
comment Feynman diagrams with loops using TikZ
This code works for me perfectly on tikz 2.1: \NewDocumentCommand\semiloop{O{black}mmmO{}O{above}} { \draw[#1] let \p1 = ($(#3)-(#2)$) in (#3) arc (#4:({#4+180}):({0.5*veclen(\x1,\y1)}) node (ep) {}; \draw ($(#3)!0.707!-45:(ep)$) node[#6] {#5}; } (it evades the broken midway)
Nov
20
answered What is producing this blank page before the title?
Nov
22
awarded  Supporter
Sep
11
awarded  Teacher
Sep
11
awarded  Editor
Sep
11
revised How to decrease space height (margin) between equations
added 77 characters in body
Sep
11
answered How to decrease space height (margin) between equations