Install ruby-mathml by entering the following commands in the terminal:
sudo apt update sudo apt install ruby-mathml
Description:
TeX formula to MathML conversion library for Ruby
This ruby library intends to provide a converter from LaTeX mathematical expressions to MathML, a low-level specification for mathematical and scientific content on the Web.
Homepage: http://www.hinet.mydns.jp/?mathml.rb
Version: 0.14-4
Section: universe/ruby