neutriNote - the original extensible Markdown + Math note app. Non-commerical. No lock-ins. Only 3 MB footprint & highly optimized. Designed for plaintext purists.
The Rhode Island Comprehensive Assessment System test scores released Friday showed Engligh language arts scores trended down while math scores remained unchanged.
Just haven't had the time. If you are interested in taking on any of these projects, particularly (but not limited to) figures, examples, or problems, or in adding other useful pieces of mathematics, ...