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age 48
visits member for 2 years, 8 months
seen Mar 28 '13 at 10:19

I am a teacher in mathematics. I teach in primary, secondary and literacy. I use latex for writing exercises and tools for my students. My recent achievements in Latex are a small booklet of 16 pages (octavo letterpage) built using pdfPage as well as flash cards. I regularly use pgf/tikz. I am not yet fluent in English and Latex but I'm working on it! Currently I am working on a series of short lessons in mathematics, in Latex of course! My mother tongue is french.

comment quadratic inequality
At first, I did not want to use the absolute value, but I think we have to, directly or in a disguised manner. Students must master the absolute value function in this way.
comment quadratic inequality
@hans-lundmark How can i write this?