ef="#math/get-only-el">math/get-only-el</a> <a href="#math/harmonic-mean">math/harmonic-mean</a> <a href="#math/ident">math/ident</a> <a href="#math/interquartile-range">math/interquartile-range</a> <a href="#math/invmod">math/invmod</a> <a href="#math/jacobi">math/jacobi</a> <a href="#math/join-cols">math/join-cols</a> <a href="#math/join-rows">math/join-rows</a> <a href="#math/linear-regression">math/linear-regression</a> <a href="#math/linear-regression-line">math/linear-regression-line</a> <a href="#mat