diff --git a/DeitelC/Chapter3Test/a.out b/DeitelC/Chapter3Test/a.out
new file mode 100644
index 0000000..296fb25
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diff --git a/DeitelC/Chapter3Test/float.c b/DeitelC/Chapter3Test/float.c
new file mode 100644
index 0000000..c9d48d9
--- /dev/null
+++ b/DeitelC/Chapter3Test/float.c
@@ -0,0 +1,35 @@
+#include <stdio.h>
+
+int main(void) {
+
+    float f = 123.456;
+    printf("%.2f\n", f);
+
+    f = 3.14159;
+    printf("%.3f\n", f); // 3.3 examples
+
+    int x = 1, sum = 0;
+
+    while (x < 11) {
+    sum = x + sum;
+    x++;
+    }
+    printf("And the sum is: %d\n", sum); // 3.4 and 3.5 examples
+
+
+    printf("Enter int x: \n");
+    scanf("%d", &x);
+
+    int y;
+    printf("Enter int y: \n");
+    scanf("%d", &y);
+
+    int i = 1;
+
+    while (y > 0) {
+    i *= x;
+    y--;
+    }
+    printf("Result is: %d\n", i);
+
+}
diff --git a/DeitelC/Chapter4/a.out b/DeitelC/Chapter4/a.out
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index 0000000..db8e620
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diff --git a/test/a.out b/test/a.out
new file mode 100644
index 0000000..a4237ea
Binary files /dev/null and b/test/a.out differ
diff --git a/test/alert.c b/test/alert.c
new file mode 100644
index 0000000..e9d5984
--- /dev/null
+++ b/test/alert.c
@@ -0,0 +1,6 @@
+#include <stdio.h>
+
+int main(void) {
+    printf("Alert!\a");
+    return 0;
+}
\ No newline at end of file
diff --git a/test1.c b/test/test1.c
similarity index 100%
rename from test1.c
rename to test/test1.c
diff --git a/test2.c b/test/test2.c
similarity index 100%
rename from test2.c
rename to test/test2.c