diff --git a/C/10_cProgramming.c b/C/10_cProgramming.c
new file mode 100644
index 0000000..e841388
--- /dev/null
+++ b/C/10_cProgramming.c
@@ -0,0 +1,23 @@
+// This is in a header file.  Go to "File" --> New -->
+// Empty File, call it "Buckysroom.h"
+
+// Done right, a headers folder should show up on CodeBlocks
+
+# define MYNAME "Bucky"
+# define AGE 28
+
+//////////////////////////////////////////
+
+
+// Shows how values defined in header file work.
+
+#include <stdio.h>
+#include <stdlib.h>
+#include "Buckysinfo.h"
+
+int main()
+{
+    int girlsAge = (AGE / 2) + 7;
+    printf("%s can date girls age %d or older.", MYNAME, girlsAge);
+    return 0;
+}
diff --git a/C/11_cProgramming.c b/C/11_cProgramming.c
new file mode 100644
index 0000000..c19ddcf
--- /dev/null
+++ b/C/11_cProgramming.c
@@ -0,0 +1,27 @@
+
+// using scanf stuff
+
+#include <stdio.h>
+#include <stdlib.h>
+
+
+int main()
+{
+
+    char firstName[20];
+    char crush[20];
+    int numberOfBabies;
+
+    printf("What is your name? \n");
+    scanf("%s", firstName);
+
+    printf("Who are you going to marry? \n");
+    scanf("%s", crush);
+
+    printf("How many kids will you have? \n");
+    scanf("%d", &numberOfBabies);
+
+    printf("%s and %s are in love and will have %d babies", firstName, crush, numberOfBabies);
+
+    return 0;
+}
diff --git a/C/12_cProgramming.c b/C/12_cProgramming.c
new file mode 100644
index 0000000..8fa0e85
--- /dev/null
+++ b/C/12_cProgramming.c
@@ -0,0 +1,26 @@
+
+// Math in statements, floats.  Code modified a bit
+
+#include <stdio.h>
+#include <stdlib.h>
+
+
+int main()
+{
+
+    int weight = 595;
+    printf("I weigh %d lbs. \n", weight + 12);
+    printf("I weigh %d lbs. \n", weight / 12);
+    printf("I weigh %d lbs. \n\n", weight % 12);
+
+    int a = 86;
+    int b = 21;
+
+    printf("%d \n", a/b);
+
+    float c = 86.0;
+    float d = 21.0;
+    printf("%f \n", c/d);
+
+    return 0;
+}
diff --git a/C/13_cProgramming.c b/C/13_cProgramming.c
new file mode 100644
index 0000000..f48d256
--- /dev/null
+++ b/C/13_cProgramming.c
@@ -0,0 +1,17 @@
+
+// Order of operations
+
+#include <stdio.h>
+#include <stdlib.h>
+
+
+int main()
+{
+
+    int a = 4 + 2 * 6;
+    printf("Result: %d \n", a);
+    a = (4 + 2) * 6;
+    printf("Result: %d \n", a);
+
+    return 0;
+}
diff --git a/C/14_cProgramming.c b/C/14_cProgramming.c
new file mode 100644
index 0000000..9a0a134
--- /dev/null
+++ b/C/14_cProgramming.c
@@ -0,0 +1,21 @@
+
+// Moar math.
+
+#include <stdio.h>
+#include <stdlib.h>
+
+
+int main()
+{
+
+    float age1, age2, age3, average;
+    age1 = age2 = 4.0;
+
+    printf("Enter your age\n");
+    scanf("%f", &age3);
+
+    average = (age1 + age2 + age3) / 3;
+    printf("\n The average age of the group is %f", average);
+
+    return 0;
+}
diff --git a/C/15_cProgramming.c b/C/15_cProgramming.c
new file mode 100644
index 0000000..ce5d641
--- /dev/null
+++ b/C/15_cProgramming.c
@@ -0,0 +1,30 @@
+
+// Even moar math.
+
+#include <stdio.h>
+#include <stdlib.h>
+
+
+int main()
+{
+
+    int pageViews = 0;
+
+    pageViews = pageViews + 1;
+    printf("Page views: %d \n", pageViews);
+    pageViews = pageViews + 1;
+    printf("Page views: %d \n", pageViews);
+    pageViews = pageViews + 1;
+    printf("Page views: %d \n", pageViews);
+
+    float balance = 1000.00;
+
+    balance *= 1.1;
+    printf("Balance: %f \n", balance);
+    balance *= 1.1;
+    printf("Balance: %f \n", balance);
+    balance *= 1.1;
+    printf("Balance: %f \n", balance);
+
+    return 0;
+}