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

How to Install SageMath on Xubuntu 18.04 Bionic GNU+Linux

September 8, 2019 | By the+gnu+linux+evangelist.

Installing

  1. 2. Setting Up Repository

    Enable the SageMath Xubuntu PPA Repository

    Here Enabled SageMath Xubuntu PPA
    How to Enable the SageMath Xubuntu Apt PPA Repository
  2. 3. Installing

    Then to Install SageMath for Xubuntu
    Simply run:

    Copy
    sudo apt install sagemath-upstream-binary

    If Got “User is Not in Sudoers file” then see: How to Enable sudo

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