Refresh 397_MA_S3_905_S2.pdf with the re-saved handout (63 pages). Co-authored-by: Qwen 3.8 27B <qwen3.8_27b-q3_k_xl@lmstudio.local>
Add the two course material PDFs under cmat/Materials/. Co-authored-by: Qwen 3.8 27B <qwen3.8_27b-q3_k_xl@lmstudio.local>