Plus heart / Generous Calculator

Recently, lots of major supermakets, 24hr convenience stores are appeared. So that give corner shops a hard time. Not only that, they put the tax even when we buy the
goods by cash. And their marketing makes dispear the discount service.

Warm-heart is getting change to cold-heart.

We need to share, keep the warm hearts.
NEED PLUS OUR HEART
to this barren world.

This product has solar cell that supports the energy. It has portable size to carry.(110mmx160mm) Discount Dial has discount percentage setting. It may helpful to calculate to getamount.