Robot Series Microbot Calculator A great mini-handheld or desktop calculator with soft touch rubber keys and futuristic-looking rubber side grips. At the press of a robot switch, the display cover opens and flips under the calculator, creating an easel for desktop use. Price: $2.39 ea. Tier 1 Price: $2.39 ea. (100 pcs.)Tier 2 Price: $2.19 ea. (250 pcs.)Tier 3 Price: $1.99 ea. (500 pcs.)Tier 4 Price: $1.89 ea. (1000 pcs.)Setup Charge: $40.00