diff --git a/.gitignore b/.gitignore
index 9308a4b..e273b6d 100644
--- a/.gitignore
+++ b/.gitignore
@@ -12,6 +12,9 @@
 *.cb2
 .*.lb
 
+# VS code
+.vscode
+
 ## Intermediate documents:
 *.dvi
 *.xdv
diff --git a/.vscode/settings.json b/.vscode/settings.json
deleted file mode 100644
index 30f2255..0000000
--- a/.vscode/settings.json
+++ /dev/null
@@ -1,129 +0,0 @@
-{
-    "latex-workshop.latex.tools": [
-        {
-            "name": "latexmk",
-            "command": "latexmk",
-            "args": [
-                "-shell-escape",  
-                "-synctex=1",
-                "-interaction=nonstopmode",
-                "-file-line-error",
-                "-pdf",
-                "-outdir=%OUTDIR%",
-                "%DOC%"
-            ],
-            "env": {}
-        },
-        {
-            "name": "lualatexmk",
-            "command": "latexmk",
-            "args": [
-                "-synctex=1",
-                "-interaction=nonstopmode",
-                "-file-line-error",
-                "-lualatex",
-                "-outdir=%OUTDIR%",
-                "%DOC%"
-            ],
-            "env": {}
-        },
-        {
-            "name": "xelatexmk",
-            "command": "latexmk",
-            "args": [
-                "-synctex=1",
-                "-interaction=nonstopmode",
-                "-file-line-error",
-                "-xelatex",
-                "-outdir=%OUTDIR%",
-                "%DOC%"
-            ],
-            "env": {}
-        },
-        {
-            "name": "latexmk_rconly",
-            "command": "latexmk",
-            "args": [
-                "%DOC%"
-            ],
-            "env": {}
-        },
-        {
-            "name": "pdflatex",
-            "command": "pdflatex",
-            "args": [
-                "-synctex=1",
-                "-interaction=nonstopmode",
-                "-file-line-error",
-                "%DOC%"
-            ],
-            "env": {}
-        },
-        {
-            "name": "bibtex",
-            "command": "bibtex",
-            "args": [
-                "%DOCFILE%"
-            ],
-            "env": {}
-        },
-        {
-            "name": "rnw2tex",
-            "command": "Rscript",
-            "args": [
-                "-e",
-                "knitr::opts_knit$set(concordance = TRUE); knitr::knit('%DOCFILE_EXT%')"
-            ],
-            "env": {}
-        },
-        {
-            "name": "jnw2tex",
-            "command": "julia",
-            "args": [
-                "-e",
-                "using Weave; weave(\"%DOC_EXT%\", doctype=\"tex\")"
-            ],
-            "env": {}
-        },
-        {
-            "name": "jnw2texminted",
-            "command": "julia",
-            "args": [
-                "-e",
-                "using Weave; weave(\"%DOC_EXT%\", doctype=\"texminted\")"
-            ],
-            "env": {}
-        },
-        {
-            "name": "pnw2tex",
-            "command": "pweave",
-            "args": [
-                "-f",
-                "tex",
-                "%DOC_EXT%"
-            ],
-            "env": {}
-        },
-        {
-            "name": "pnw2texminted",
-            "command": "pweave",
-            "args": [
-                "-f",
-                "texminted",
-                "%DOC_EXT%"
-            ],
-            "env": {}
-        },
-        {
-            "name": "tectonic",
-            "command": "tectonic",
-            "args": [
-                "--synctex",
-                "--keep-logs",
-                "--print",
-                "%DOC%.tex"
-            ],
-            "env": {}
-        }
-    ]
-}
\ No newline at end of file
diff --git a/semester3/numcs/numcs-summary.pdf b/semester3/numcs/numcs-summary.pdf
index c9f9480..3dcec82 100644
Binary files a/semester3/numcs/numcs-summary.pdf and b/semester3/numcs/numcs-summary.pdf differ