$schemamarkup = get_post_meta(get_the_ID(), 'schemamarkup', true); if(!empty($schemamarkup)) { echo $schemamarkup; }

How to Install SageMath on Mint GNU+Linux Distro

GNU/Linux Mint SageMath Installation Guide

Hi! The Tutorial shows you Step-by-Step How to Install SageMath Notebook Web UI in Mint GNU+Linux Desktops.

And SageMath for Mint is Built out of nearly 100 Open-Source Packages and Features a Unified Interface.

Moreover, SageMath can be used to Study Elementary and Advanced, Pure and Applied Mathematics.
This includes a Huge Range of Mathematics, including Basic Algebra, Calculus, Elementary to very Advanced Number Theory, Cryptography, Numerical Computation, Commutative Algebra, Group Theory, Combinatorics, Graph Theory, exact Linear Algebra and much more.

How to Install SageMath on Linux Mint - Featured

GNU/Linux Mint SageMath Installation Guide