libdeal.ii-doc 9.4.1-1ubuntu1 (riscv64 binary) in ubuntu lunar

 deal.II is a C++ program library targeted at the computational solution of
 partial differential equations using adaptive finite elements. It uses
 state-of-the-art programming techniques to offer you a modern interface to the
 complex data structures and algorithms required.
 .
 This package contains the documentation and examples.