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#lang pollen
(define-meta title "math symbols")
hanging-topic[(topic-from-metas metas)]{Use real characters, not alphabetic susbstitutes}
If you need em{math symbols} infrequentlysome light addition and subtraction, the occasional negative numberyou can get by without special symbols. Use the plus sign glyph{+} and equals sign glyph{=} as usual. Use the en dash as a minus sign glyph{} (see xref{hyphens and dashes}).
If you need to do multiplication or beyond, insert real math symbols by hand.