Bowflex

I've started using my bow flex about 45 mins a day 3 times a week.  Any ideas on how many calories you burn.  Do you think it will give me good results?  I can't go to a gym & working out at home is my best option.  I have a hectic work schedule & like to spend time with my kids.  I also use a recumbant bike & elliptical at home as well