first commit!

fahrenheittable.c

@@ -0,0 +1,18 @@
+#include <stdio.h>
+
+int main() {
+  double fahr, celcius;
+  double lower, upper, step;
+
+  lower = 0;
+  upper = 300;
+  step = 20;
+
+  fahr = lower;
+  printf("%6c %8c\n", 'F', 'C');
+  while (fahr <= upper) {
+    celcius = 5.0/9 * (fahr - 32);
+    printf("%6.2f %8.2f\n", fahr, celcius);
+    fahr = fahr + step;
+  }
+}