first commit!

fahrcelcdefine.c

@@ -0,0 +1,13 @@
+#include <stdio.h>
+
+#define LOWER 0
+#define UPPER 300
+#define STEP 20
+
+int main() {
+  int fahr;
+
+  for (fahr = LOWER; fahr <= UPPER; fahr += STEP) {
+    printf("%3d %6.1f\n", fahr, (5.0/9) * (fahr - 32));
+  }
+}