sp> AS>         \sum_{i=1}^{10} ix_i \equiv 0 \pmod{11}

 sp>  I'm curious to know of the format used here...  It's
 sp> reminesent (sp?) of what would be generated by an equation
 sp> drawing program, with the equation saved in "Rich Text
 sp> Format" or an equivelant thereof...

It's LaTeX. LaTeX is sort of the de facto standard document preparation
system in mathematics and computer science. That's actually the input to
LaTeX, rather than anything generated... still it's easier to use than
troff.

Regards,
Alex.

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