mode links bytes last-changed name
dr-x 2 4096 Jul 19 2018 ./
dr-x 5 4096 Jul 19 2018 ../
-r-- 1 638 Jul 19 2018 algebra.js
-r-- 1 2774 Jul 19 2018 elementary.js
-r-- 1 2228 Jul 19 2018 hyperbolic.js
-r-- 1 1920 Jul 19 2018 trigonometry.js