Exercise 1-3 and restructure

section-1.1.c → examples/1.1-1.c

@@ -1,4 +1,4 @@
-// From page 6
+// Section 1.1 Example 1 from page 6
 
 #include <stdio.h>
 

section-1.2.c → examples/1.2-1.c

@@ -1,4 +1,4 @@
-// From page 9
+// Section 1.2 Example 1 from page 9
 
 #include <stdio.h>
 

examples/1.2-2.c

@@ -0,0 +1,22 @@
+// Section 1.2 Example 2 from page 12
+
+#include <stdio.h>
+
+/* print Fahrenheit-Celsius table
+  for fahr = 0, 20, ..., 300; floating-point version */
+main()
+{
+  float fahr, celsius;
+  int lower, upper, step;
+
+  lower = 0;    /* lower limit of temperature table */
+  upper = 300;  /* upper limit */
+  step = 20;    /* step size */
+
+  fahr = lower;
+  while (fahr <= upper) {
+    celsius = (5.0/9.0) * (fahr-32.0);
+    printf("%3.0f %6.1f\n", fahr, celsius);
+    fahr = fahr + step;
+  }
+}

exercises/1-3.c

@@ -0,0 +1,25 @@
+// Exercise 1-3 from page 13
+
+#include <stdio.h>
+
+/* print Fahrenheit-Celsius table
+  for fahr = 0, 20, ..., 300; floating-point version */
+main()
+{
+  float fahr, celsius;
+  int lower, upper, step;
+
+  lower = 0;    /* lower limit of temperature table */
+  upper = 300;  /* upper limit */
+  step = 20;    /* step size */
+
+  fahr = lower;
+  printf("Fahrenheit | Celsius\n");
+  printf("-----------|--------\n");
+
+  while (fahr <= upper) {
+    celsius = (5.0/9.0) * (fahr-32.0);
+    printf("%6.1f     | %6.1f\n", fahr, celsius);
+    fahr = fahr + step;
+  }
+}