To learn how the grocery calculator works and get a sneak peek, look at the video tutorial. To see the video as clearly as possible, click play and then change the quality by clicking on the gear on the bottom right of the video and selecting a higher setting. Have a HOPtastic day!!! If y ou would like access to this, give the FREE 30-day trial a chance. I know it will be worth your time. Have a HOPtastic day!!!