|SPACE| to solve a single number and describe it as happy, or not happy. Steps list will show steps to solving it. (Upper left of screen). |C| to solve a chain of adjoining numbers. Enter a lower value first, and a higher value next (there are two prompts). This will display any and all #s including the ones you've entered, and sort them into the happy and not happy list. You don't have to look at the Steps list. |V| to show several numbers that will backtrack to the number you've entered. It is only direct, so one step in between each number. Keep in mind the other numbers you see aren't consecutive, they are all one step before the number you've entered. EX., 23 will become 13 in one move. If you enter 13, 23 will show up as an answer along with other numbers that will equal the number you put in in one move. (the Steps list is more for technical purposes, just displaying which # are to be added to the happy list or not
