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index 65f0a1b..3d1d20c 100644
--- a/.obsidian/workspace.json
+++ b/.obsidian/workspace.json
@@ -4,18 +4,18 @@
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@@ -85,7 +85,7 @@
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-                "file": "UNB/Year 5/Semester 1/HIST1001/In class notes.md",
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@@ -102,7 +102,7 @@
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@@ -125,7 +125,7 @@
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-                "file": "UNB/Year 5/Semester 1/HIST1001/In class notes.md"
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@@ -138,21 +138,23 @@
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+    "UNB/Year 5/Semester 1/MAAC3113/In class notes.md",
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diff --git a/UNB/Year 5/Semester 1/MAAC3113/In class notes.md b/UNB/Year 5/Semester 1/MAAC3113/In class notes.md
new file mode 100644
index 0000000..5990caf
--- /dev/null
+++ b/UNB/Year 5/Semester 1/MAAC3113/In class notes.md	
@@ -0,0 +1,11 @@
+## History of computers
+- Abacus
+- Leonardo DaVinci machine
+- Slide Rule
+- Differential engine
+- IBM machine (from US Census)
+## History of automatic music
+- Music boxes (from clothing manufacturing)
+- Electric Violin (from electric bathroom)
+- Phonograph
+- Teleharmonium