Viewed 134 times 3. The symbols in a math formula fall into di erent classes that correspond more or less to the part of speech each symbol would have if the formula were expressed in words. The more unusual symbols are not deļ¬ned in base LATEX NFSS and require usepackageamssymb 1 Greek and Hebrew letters.
The first one is used to write formulas that are part of a text.
Classes of math symbols. For instance its customary to represent real numbers with a blackboard bold font or topological spaces with calligraphic font. Its actually easier to only do the part of a size change command that affects math without changing the baseline to avoid the problems barabara-beeton mentions. Active 8 months ago.