3 ms·Mandatory APL demonstration from 1975 https://youtu.be/_DTpQ4Kk2wA https://youtu.be/_DTpQ4Kk2wAby curiousgal 4y agoMandatory APL demonstration from 1975 https://youtu.be/_DTpQ4Kk2wA https://youtu.be/_DTpQ4Kk2wA