If you have a WW center near you, she could just walk in and buy the books. They ususally don't ask and never ask for proof of membership. She could buy the electronic calculator but I don't know about the slide. I think you have to get those from the leader. She could do it with the formula and then she wouldn't need the slide:
Calories x 2 / 100 + .1 x grams of fat - .2 x grams of fiber (up to 4 grams) = Points
Example: 125 calories, 5 grams of fat, 6 grams of fiber
125 x 2 / 100 = 2.5
.1 x 5 = .5
.2 x 4 = -.8
TOTAL POINTS = 3.2 which I would round to 3
You can also find things on ebay all the time.
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