sag@lemm.eeM to Internet is Beautiful@lemm.ee · 1 day agoFree and Open-Source Textbooks (Mathematics)danaernst.comexternal-linkmessage-square0fedilinkarrow-up113arrow-down10cross-posted to: internetisbeautiful@feddit.de
arrow-up113arrow-down1external-linkFree and Open-Source Textbooks (Mathematics)danaernst.comsag@lemm.eeM to Internet is Beautiful@lemm.ee · 1 day agomessage-square0fedilinkcross-posted to: internetisbeautiful@feddit.de
