diff --git a/cs2109s/midterm.pdf b/cs2109s/midterm.pdf
index 350dd07..dd2fb98 100644
Binary files a/cs2109s/midterm.pdf and b/cs2109s/midterm.pdf differ
diff --git a/cs2109s/template.pdf b/cs2109s/template.pdf
index 3c91a6f..459de32 100644
Binary files a/cs2109s/template.pdf and b/cs2109s/template.pdf differ
diff --git a/cs3223/main.pdf b/cs3223/main.pdf
index b2e8c18..fe8adb6 100644
Binary files a/cs3223/main.pdf and b/cs3223/main.pdf differ
diff --git a/cs3223/main.typ b/cs3223/main.typ
index 5d24291..c7a8aaf 100644
--- a/cs3223/main.typ
+++ b/cs3223/main.typ
@@ -6,7 +6,7 @@
   author: "Yadunand Prem",
   table-of-contents: none,
 )
-// #set text(lang: "en", font: ("SF Pro"))
+#set text(lang: "en", font: ("SF Pro Display"))
 #show raw: set text(font: "SF Mono")
 
 = Reference
diff --git a/cs3230/PA2/main.pdf b/cs3230/PA2/main.pdf
index a1e11a7..3951b2f 100644
Binary files a/cs3230/PA2/main.pdf and b/cs3230/PA2/main.pdf differ
diff --git a/cs3230/PA2/template.pdf b/cs3230/PA2/template.pdf
new file mode 100644
index 0000000..459de32
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diff --git a/cs3230/WA2/main.pdf b/cs3230/WA2/main.pdf
index 3356921..308b91f 100644
Binary files a/cs3230/WA2/main.pdf and b/cs3230/WA2/main.pdf differ
diff --git a/cs3230/WA2/template.pdf b/cs3230/WA2/template.pdf
new file mode 100644
index 0000000..459de32
Binary files /dev/null and b/cs3230/WA2/template.pdf differ
diff --git a/cs3230/main.pdf b/cs3230/main.pdf
index 6e480ac..a3f57dd 100644
Binary files a/cs3230/main.pdf and b/cs3230/main.pdf differ
diff --git a/cs3230/pa3.pdf b/cs3230/pa3.pdf
index bd4460b..09d7b25 100644
Binary files a/cs3230/pa3.pdf and b/cs3230/pa3.pdf differ
diff --git a/cs3230/template.pdf b/cs3230/template.pdf
index 5fb5a22..459de32 100644
Binary files a/cs3230/template.pdf and b/cs3230/template.pdf differ
diff --git a/cs3231/main.pdf b/cs3231/main.pdf
index 75dd622..93b80f7 100644
Binary files a/cs3231/main.pdf and b/cs3231/main.pdf differ
diff --git a/cs3231/main.typ b/cs3231/main.typ
index 13562e1..15b7236 100644
--- a/cs3231/main.typ
+++ b/cs3231/main.typ
@@ -10,7 +10,7 @@
   // table-index: (enabled: true),
   // listing-index: (enabled: true),
 )
-#set text(lang: "en", font: ("SF Pro Condensed"))
+#set text(lang: "en", font: ("SF Pro Display"))
 #show raw: set text(font: "SF Mono")
 
 == Reference
diff --git a/cs4212/hw1-hellocaml-yadunut b/cs4212/hw1-hellocaml-yadunut
index 0c846f8..a976b25 160000
--- a/cs4212/hw1-hellocaml-yadunut
+++ b/cs4212/hw1-hellocaml-yadunut
@@ -1 +1 @@
-Subproject commit 0c846f83f70f18eb31173aaf2cdf2f032efc1a97
+Subproject commit a976b25ebb1434189ba15627bab1720fb345f518
diff --git a/cs4212/main.pdf b/cs4212/main.pdf
new file mode 100644
index 0000000..a27fcbc
Binary files /dev/null and b/cs4212/main.pdf differ
diff --git a/cs4212/main.typ b/cs4212/main.typ
index feb47c2..be93b6a 100644
--- a/cs4212/main.typ
+++ b/cs4212/main.typ
@@ -6,7 +6,7 @@
   author: "Yadunand Prem",
   table-of-contents: none,
 )
-#set text(lang: "en", font: ("SF Pro Condensed"))
+#set text(lang: "en", font: ("SF Pro Display"))
 #show raw: set text(font: "SF Mono")
 
 == Reference
diff --git a/hsi2010/main.pdf b/hsi2010/main.pdf
new file mode 100644
index 0000000..e414daf
Binary files /dev/null and b/hsi2010/main.pdf differ
diff --git a/hsi2010/main.typ b/hsi2010/main.typ
new file mode 100644
index 0000000..2dba868
--- /dev/null
+++ b/hsi2010/main.typ
@@ -0,0 +1,14 @@
+#import "@preview/ilm:1.4.1": *
+
+
+#show: ilm.with(
+  title: [],
+  author: "Yadunand Prem",
+  table-of-contents: none,
+)
+#set text(lang: "en", font: ("SF Pro Display"))
+#show raw: set text(font: "SF Mono")
+
+= Reference
+
+= Lecture 1
diff --git a/sample.typ b/sample.typ
index 84396e2..fbc400a 100644
--- a/sample.typ
+++ b/sample.typ
@@ -6,7 +6,7 @@
   author: "Yadunand Prem",
   table-of-contents: none,
 )
-#set text(lang: "en", font: ("SF Pro Condensed"))
+#set text(lang: "en", font: ("SF Pro Display"))
 #show raw: set text(font: "SF Mono")
 
 == Reference