diff --git a/content/C sharp.md b/content/C sharp.md
index a827d8604..56cb37111 100644
--- a/content/C sharp.md	
+++ b/content/C sharp.md	
@@ -7,6 +7,11 @@
 - [[C sharp Code Style]]
 	- [[if statements]]
 - [[The reason for types in programming languages]]
+- [[Value types and reference types]]
+- [[Signed and unsigned types]]
+- [[The best types to choose when in doubt]]
+
+
 
 - Learning Resources
 	- [[Advanced Csharp course freeCodeCamp]]
diff --git a/content/Signed and unsigned types.md b/content/Signed and unsigned types.md
new file mode 100644
index 000000000..8a51a0a45
--- /dev/null
+++ b/content/Signed and unsigned types.md	
@@ -0,0 +1,10 @@
+
+Signed means that they allow negative values. 
+
+Unsigned types only allow 0 or greater.
+
+## Links:
+
+
+
+202404171418
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