diff --git a/ChangeLog b/ChangeLog
index 284ffe9..2796c96 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,9 @@
+2024-11-22  Mert Gör  <mertgor@masscollabs.xyz>
+
+	* c-basic/C.pdf: Page 30 pow example
+
+	* c-basic/sqrt.c: Sqrt example written page 30
+
 2024-11-10  Mert Gör  <mertgor@masscollabs.xyz>
 
 	* c-basic/C.pdf: Page 29(end of 29) and 30 Bazı matematiksel standart c fonksiyonları
diff --git a/c-basic/sqrt.c b/c-basic/sqrt.c
new file mode 100644
index 0000000..c0fafc8
--- /dev/null
+++ b/c-basic/sqrt.c
@@ -0,0 +1,16 @@
+#include <stdio.h>
+#include <math.h>
+
+int main()
+{
+  double val;
+  double result;
+
+  printf("Enter a number");
+  scanf("%lf", &val);
+
+  result = sqrt(val);
+  printf("%f\n", result);
+
+  return 0;
+}