APL started on blackboard, where writing weird math symbols is easy. Since we have computerized tablets with pencils now, it seems like a good idea to explore w

APL started on blackboard, where writing weird math symbols is easy. Since we have computerized tablets with pencils now, it seems like a good idea to explore weird symbols again. https://mlajtos.mu/posts/new-kind-of-paper https://mlajtos.mu/posts/new-kind-of-paper