natural numbers latex
usepackage{amssymb}
$mathbb{N}$latex real number symbol
documentclass{article}
usepackage{amssymb}
begin{document}
begin{tabular}{ll}
Plain-TeX{}: & ${rm I!R}$\
amssymb: & $mathbb{R}$
end{tabular}
end{document}Copyright © 2021 Codeinu
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