diff --git a/MoganSTEMTutorial/08_octave.tm b/MoganSTEMTutorial/08_octave.tm
new file mode 100644
index 0000000..0aecfe5
--- /dev/null
+++ b/MoganSTEMTutorial/08_octave.tm
@@ -0,0 +1,78 @@
+<TeXmacs|2.1.2>
+
+<style|<tuple|beamer|chinese|doc|python>>
+
+<\body>
+  <screens|<\shown>
+    <tit|\<#7B2C\>08\<#8BB2\>\<#FF1A\>\<#7528\>Octave\<#63D2\>\<#4EF6\>\<#5B66\>\<#7EBF\>\<#6027\>\<#4EE3\>\<#6570\>>
+
+    <tabular|<tformat|<twith|table-width|1par>|<twith|table-hmode|exact>|<cwith|1|1|2|2|cell-halign|r>|<cwith|3|3|2|2|cell-halign|r>|<cwith|2|2|2|2|cell-halign|r>|<cwith|6|6|2|2|cell-halign|r>|<table|<row|<cell|>|<cell|>|<cell|\<#9996\>\<#5148\>\<#5B89\>\<#88C5\>\<#58A8\>\<#5E72\>V1.2.5.2\<#FF0C\>Ghostscript\<#548C\>Octave>|<cell|>>|<row|<cell|>|<cell|\<#9884\>\<#671F\>\<#89C2\>\<#4F17\>\<#FF1A\>>|<cell|\<#5B66\>\<#7EBF\>\<#6027\>\<#4EE3\>\<#6570\>\<#7684\>\<#5B66\>\<#751F\>\<#3001\>\<#6559\>\<#7EBF\>\<#6027\>\<#4EE3\>\<#6570\>\<#7684\>\<#8001\>\<#5E08\>>|<cell|>>|<row|<cell|>|<cell|\<#83DC\>\<#5355\>\<#9879\>\<#FF1A\>>|<cell|<menu|Help|Plugin|Octave>>|<cell|>>|<row|<cell|>|<cell|>|<cell|<menu|Insert|Session|Octave>>|<cell|>>|<row|<cell|>|<cell|>|<cell|<menu|Insert|Fold|Executable|Octave>>|<cell|>>|<row|<cell|>|<cell|B\<#7AD9\>\<#516C\>\<#5F00\>\<#8BFE\>\<#FF1A\>>|<cell|<hlink|\<#300A\>Matlab\<#548C\>Octave\<#5165\>\<#95E8\>\<#300B\>|https://www.bilibili.com/video/BV1TE411s7fH/>\<#6D1B\>\<#6851\>\<#8054\>\<#90A6\>\<#7406\>\<#5DE5\>\<#5B66\>\<#9662\>>|<cell|>>|<row|<cell|>|<cell|>|<cell|\<#300A\>\<#673A\>\<#5668\>\<#5B66\>\<#4E60\>\<#300B\>\<#5434\>\<#6069\>\<#8FBE\>>|<cell|>>>>>
+
+    \<#672C\>\<#9875\>\<#5E7B\>\<#706F\>\<#7247\>\<#FF1A\>\<#70B9\>\<#51FB\><strong|<menu|Help|Planet>>\<#FF0C\>\<#70B9\>\<#51FB\><strong|\<#4ECE\>\<#96F6\>\<#5F00\>\<#59CB\>\<#5B66\>\<#58A8\>\<#5E72\>\<#7406\>\<#5DE5\>\<#5957\>\<#4EF6\>>\<#5373\>\<#53EF\>\<#627E\>\<#5230\>\<#3002\>
+
+    <\session|octave|default>
+      <\output>
+        GNU Octave (5.2.0) Session in GNU TeXmacs
+
+        Welcome to star and fork it at https://github.com/texmacs/octave
+      </output>
+
+      <\folded-io>
+        \<gtr\>\<gtr\>\ 
+      <|folded-io>
+        [1 1; 1 0]
+      <|folded-io>
+        <with|mode|math|math-display|true|<matrix|<tformat|<table|<row|<cell|<with|mode|math|1>>|<cell|<with|mode|math|1>>>|<row|<cell|<with|mode|math|1>>|<cell|<with|mode|math|0.0>>>>>>>
+      </folded-io>
+
+      <\folded-io>
+        \<gtr\>\<gtr\>\ 
+      <|folded-io>
+        [1 1; 1 0]^7
+      <|folded-io>
+        <with|mode|math|math-display|true|<matrix|<tformat|<table|<row|<cell|<with|mode|math|21>>|<cell|<with|mode|math|13>>>|<row|<cell|<with|mode|math|13>>|<cell|<with|mode|math|8>>>>>>>
+      </folded-io>
+
+      <\input>
+        \<gtr\>\<gtr\>\ 
+      <|input>
+        \;
+      </input>
+    </session>
+
+    \;
+  </shown>>
+</body>
+
+<\initial>
+  <\collection>
+    <associate|info-flag|minimal>
+    <associate|page-height|auto>
+    <associate|page-medium|beamer>
+    <associate|page-type|16:9>
+    <associate|page-width|auto>
+  </collection>
+</initial>
+
+<\references>
+  <\collection>
+    <associate|auto-1|<tuple|?|?|07_binary_plugin.tm>>
+    <associate|auto-2|<tuple|?|?|07_binary_plugin.tm>>
+    <associate|auto-3|<tuple|?|?|07_binary_plugin.tm>>
+    <associate|auto-4|<tuple|?|?|07_binary_plugin.tm>>
+  </collection>
+</references>
+
+<\auxiliary>
+  <\collection>
+    <\associate|idx>
+      <tuple|<tuple|<with|font-family|<quote|ss>|\<#5E2E\>\<#52A9\>>|<with|font-family|<quote|ss>|\<#63D2\>\<#4EF6\>>|<with|font-family|<quote|ss>|Octave>>|<pageref|auto-1>>
+
+      <tuple|<tuple|<with|font-family|<quote|ss>|\<#63D2\>\<#5165\>>|<with|font-family|<quote|ss>|\<#4F1A\>\<#8BDD\>>|<with|font-family|<quote|ss>|Octave>>|<pageref|auto-2>>
+
+      <tuple|<tuple|<with|font-family|<quote|ss>|\<#63D2\>\<#5165\>>|<with|font-family|<quote|ss>|\<#6298\>\<#53E0\>>|<with|font-family|<quote|ss>|\<#53EF\>\<#8FD0\>\<#884C\>>|<with|font-family|<quote|ss>|Octave>>|<pageref|auto-3>>
+
+      <tuple|<tuple|<with|font-family|<quote|ss>|\<#5E2E\>\<#52A9\>>|<with|font-family|<quote|ss>|\<#58A8\>\<#5BA2\>\<#661F\>\<#7403\>>>|<pageref|auto-4>>
+    </associate>
+  </collection>
+</auxiliary>
\ No newline at end of file
diff --git a/MoganSTEMTutorial/index.tm b/MoganSTEMTutorial/index.tm
index 7627920..6700c58 100644
--- a/MoganSTEMTutorial/index.tm
+++ b/MoganSTEMTutorial/index.tm
@@ -5,7 +5,7 @@
 <\body>
   <doc-data|<doc-title|\<#4ECE\>\<#96F6\>\<#5F00\>\<#59CB\>\<#5B66\>\<#58A8\>\<#5E72\>\<#7406\>\<#5DE5\>\<#5957\>\<#4EF6\>>>
 
-  <tabular*|<tformat|<cwith|1|1|1|1|cell-halign|l>|<cwith|2|2|1|1|cell-halign|l>|<cwith|3|6|1|1|cell-halign|l>|<twith|table-width|1par>|<twith|table-hmode|exact>|<cwith|7|7|1|1|cell-halign|l>|<cwith|8|8|1|1|cell-halign|l>|<table|<row|<cell|<hlink|\<#7B2C\>00\<#8BB2\>\<#FF1A\>\<#521D\>\<#8BC6\>\<#6570\>\<#5B66\>\<#6A21\>\<#5F0F\>|00_math_mode.tm>>|<cell|\<#6570\>\<#5B66\>\<#6A21\>\<#5F0F\>>|<cell|v1.2.5.1>>|<row|<cell|<hlink|\<#7B2C\>01\<#8BB2\>\<#FF1A\>\<#521D\>\<#8BC6\>\<#5E7B\>\<#706F\>\<#7247\>\<#6837\>\<#5F0F\>|01_beamer_style.tm>>|<cell|\<#5E7B\>\<#706F\>\<#7247\>>|<cell|v1.2.5.1>>|<row|<cell|<hlink|\<#7B2C\>02\<#8BB2\>\<#FF1A\>\<#6570\>\<#5B66\>\<#516C\>\<#5F0F\>\<#4E0E\><LaTeX>|02_math_latex.tm>>|<cell|\<#6570\>\<#5B66\>\<#6A21\>\<#5F0F\>>|<cell|v1.2.5.1>>|<row|<cell|<hlink|\<#7B2C\>03\<#8BB2\>\<#FF1A\>\<#5982\>\<#4F55\>\<#8F93\>\<#5165\>\<#5206\>\<#6BB5\>\<#51FD\>\<#6570\>|03_math_choice.tm>>|<cell|\<#6570\>\<#5B66\>\<#6A21\>\<#5F0F\>>|<cell|v1.2.5.1>>|<row|<cell|<hlink|\<#7B2C\>04\<#8BB2\>\<#FF1A\>\<#5982\>\<#4F55\>\<#8F93\>\<#5165\>\<#77E9\>\<#9635\>\<#548C\>\<#884C\>\<#5217\>\<#5F0F\>|04_math_matrix.tm>>|<cell|\<#6570\>\<#5B66\>\<#6A21\>\<#5F0F\>>|<cell|v1.2.5.2>>|<row|<cell|<hlink|\<#7B2C\>05\<#8BB2\>\<#FF1A\>\<#5982\>\<#4F55\>\<#8F93\>\<#5165\>\<#5E0C\>\<#814A\>\<#5B57\>\<#6BCD\>|05_math_greek.tm>>|<cell|\<#6570\>\<#5B66\>\<#6A21\>\<#5F0F\>>|<cell|v1.2.5.1>>|<row|<cell|<hlink|\<#7B2C\>06\<#8BB2\>\<#FF1A\>\<#5982\>\<#4F55\>\<#5728\>\<#58A8\>\<#5E72\>\<#4E2D\>\<#5B66\>Python\<#8BED\>\<#8A00\>|06_python3.tm>>|<cell|\<#63D2\>\<#4EF6\>>|<cell|v1.2.5.2>>|<row|<cell|<hlink|\<#7B2C\>07\<#8BB2\>\<#FF1A\>\<#914D\>\<#7F6E\>\<#4E8C\>\<#8FDB\>\<#5236\>\<#63D2\>\<#4EF6\>|07_binary_plugin.tm>>|<cell|\<#63D2\>\<#4EF6\>>|<cell|v1.2.5.2>>>>>
+  <tabular*|<tformat|<cwith|1|1|1|1|cell-halign|l>|<cwith|2|2|1|1|cell-halign|l>|<cwith|3|6|1|1|cell-halign|l>|<twith|table-width|1par>|<twith|table-hmode|exact>|<cwith|7|7|1|1|cell-halign|l>|<cwith|8|8|1|1|cell-halign|l>|<cwith|9|9|1|1|cell-halign|l>|<table|<row|<cell|<hlink|\<#7B2C\>00\<#8BB2\>\<#FF1A\>\<#521D\>\<#8BC6\>\<#6570\>\<#5B66\>\<#6A21\>\<#5F0F\>|00_math_mode.tm>>|<cell|\<#6570\>\<#5B66\>\<#6A21\>\<#5F0F\>>|<cell|v1.2.5.1>>|<row|<cell|<hlink|\<#7B2C\>01\<#8BB2\>\<#FF1A\>\<#521D\>\<#8BC6\>\<#5E7B\>\<#706F\>\<#7247\>\<#6837\>\<#5F0F\>|01_beamer_style.tm>>|<cell|\<#5E7B\>\<#706F\>\<#7247\>>|<cell|v1.2.5.1>>|<row|<cell|<hlink|\<#7B2C\>02\<#8BB2\>\<#FF1A\>\<#6570\>\<#5B66\>\<#516C\>\<#5F0F\>\<#4E0E\><LaTeX>|02_math_latex.tm>>|<cell|\<#6570\>\<#5B66\>\<#6A21\>\<#5F0F\>>|<cell|v1.2.5.1>>|<row|<cell|<hlink|\<#7B2C\>03\<#8BB2\>\<#FF1A\>\<#5982\>\<#4F55\>\<#8F93\>\<#5165\>\<#5206\>\<#6BB5\>\<#51FD\>\<#6570\>|03_math_choice.tm>>|<cell|\<#6570\>\<#5B66\>\<#6A21\>\<#5F0F\>>|<cell|v1.2.5.1>>|<row|<cell|<hlink|\<#7B2C\>04\<#8BB2\>\<#FF1A\>\<#5982\>\<#4F55\>\<#8F93\>\<#5165\>\<#77E9\>\<#9635\>\<#548C\>\<#884C\>\<#5217\>\<#5F0F\>|04_math_matrix.tm>>|<cell|\<#6570\>\<#5B66\>\<#6A21\>\<#5F0F\>>|<cell|v1.2.5.2>>|<row|<cell|<hlink|\<#7B2C\>05\<#8BB2\>\<#FF1A\>\<#5982\>\<#4F55\>\<#8F93\>\<#5165\>\<#5E0C\>\<#814A\>\<#5B57\>\<#6BCD\>|05_math_greek.tm>>|<cell|\<#6570\>\<#5B66\>\<#6A21\>\<#5F0F\>>|<cell|v1.2.5.1>>|<row|<cell|<hlink|\<#7B2C\>06\<#8BB2\>\<#FF1A\>\<#5982\>\<#4F55\>\<#5728\>\<#58A8\>\<#5E72\>\<#4E2D\>\<#5B66\>Python\<#8BED\>\<#8A00\>|06_python3.tm>>|<cell|\<#63D2\>\<#4EF6\>>|<cell|v1.2.5.2>>|<row|<cell|<hlink|\<#7B2C\>07\<#8BB2\>\<#FF1A\>\<#914D\>\<#7F6E\>\<#4E8C\>\<#8FDB\>\<#5236\>\<#63D2\>\<#4EF6\>|07_binary_plugin.tm>>|<cell|\<#63D2\>\<#4EF6\>>|<cell|v1.2.5.2>>|<row|<cell|<hlink|\<#7B2C\>08\<#8BB2\>\<#FF1A\>\<#7528\>Octave\<#63D2\>\<#4EF6\>\<#5B66\>\<#7EBF\>\<#6027\>\<#4EE3\>\<#6570\>|08_octave.tm>>|<cell|\<#63D2\>\<#4EF6\>>|<cell|v1.2.5.2>>>>>
 </body>
 
 <\initial>