When a document built on the Symbol font’s custom encoding (where 0x6D maps to ∫ instead of 'm') is copied into a modern UTF-8 environment, the raw byte values are misinterpreted, resulting in gibberish.
Today, fonts like , Lucida Sans Unicode , and Times New Roman have built-in mathematical subsets. Instead of changing the font to type a Greek letter, modern software changes the input character via Unicode. Symbolmt-normal Font
Since SymbolMT is purely functional, you shouldn't use it for body text. It is designed to be paired with high-quality serif fonts that have a similar "academic" feel, such as Times New Roman Are you trying to fix a display issue When a document built on the Symbol font’s