diff --git a/Homework3/jump_the_five b/Homework3/jump_the_five
new file mode 100755
index 0000000..5a7ecd0
Binary files /dev/null and b/Homework3/jump_the_five differ
diff --git a/Homework3/jump_the_five.c b/Homework3/jump_the_five.c
index e9bdf93..ad732b5 100644
--- a/Homework3/jump_the_five.c
+++ b/Homework3/jump_the_five.c
@@ -20,7 +20,33 @@ int main(int argc, char *argv[])
 {
     // define local variables
     // do calculations
-    // display results
+    // check to see if there are valid phone numbers (7 or 10 digits)
+    if(argc == 8 || argc == 11)
+    {
+        // iterate through the arguments in list
+        for(int i = 1; i < argc; i++)
+        {
+            // define and get the number using atoi
+            int num = atoi(argv[i]);
+            // check to see if the number is 5/0, and print the opposite.
+            if(num == 5)
+            {
+                printf("0 ");
+            }
+            else if(num == 0)
+            {
+                printf("5 ");
+            }
+            else
+            {
+                // otherwise, subtract the number from ten to get "the opposite"
+                printf("%i ", 10 - num);
+            }
+        }
+        printf("\n");
+        return 0;
+    }
+    printf("You must enter 7 or 10 digits as a valid phone number.\n");
     // return success
     return 0;
-}
\ No newline at end of file
+}
diff --git a/Homework3/temperature_chart b/Homework3/temperature_chart
new file mode 100755
index 0000000..624b6f1
Binary files /dev/null and b/Homework3/temperature_chart differ
diff --git a/Homework3/temperature_chart.c b/Homework3/temperature_chart.c
index 0c03826..c48bb03 100644
--- a/Homework3/temperature_chart.c
+++ b/Homework3/temperature_chart.c
@@ -19,35 +19,26 @@ Dependencies: included by standard libraries
 */
 int main(int argc, char *argv[])
 {
-    // define local variables
-    double start = atof(argv[1]), stop = atof(argv[2]);
+    // check if proper arguments are provided
+    if (argc < 3 || argc > 4)
+    {
+        printf("You must provide two or three integers.\n");
+        return 0;
+    }
+    // define the start and stops, steps if applicable
+    double start = atof(argv[1]);
+    double stop = atof(argv[2]);
     int step = 1;
-    int tempIterator;
-    // do calculations
-    if(argc == 3 || argc == 2)
+    if (argc == 4)
     {
-        // do the temperature chart stuff here
-        // check to see if a step is provided
-        if(argc == 3)
-        {
-            step = atof(argv[3]);
-        }
-        // do the printing and looping
-        printf("%f\t%f\n", start, start);
-        for(tempIterator = 0; tempIterator < stop; tempIterator++)
-        {
-            // print out the temp and it's conversion
-            printf("%f\t%f\n", );
-        }
+        // define the step if provided.
+        step = atoi(argv[3]);
     }
-    else
+    for (start = atof(argv[1]); start <= stop; start += step)
     {
-        // fail program
-        printf("Please provide two or three integers.\n");
-        return -1;
+        // print out the temperature chart
+        printf("%g\t%f\n", start, (start - 32) * 5 / 9);
     }
-    // display results
-    // done in do calculations
-    // return success
+    // end program
     return 0;
 }
\ No newline at end of file