Robuta

https://www.fileformat.info/info/unicode/font/dejavu_serif_italic/blockview.htm?block=mathematical_alphanumeric_symbols

Mathematical Alphanumeric Symbols characters supported by the DejaVu Serif Italic font

dejavu serif mathematical alphanumeric symbols characters

https://www.fileformat.info/info/unicode/font/dejavu_serif_bold_italic/blockview.htm?block=miscellaneous_mathematical_symbols_a

Miscellaneous Mathematical Symbols-A characters supported by the DejaVu Serif Bold Italic font

mathematical symbols dejavu serif miscellaneous characters supported