> A store clerk that pulls out a calculator to do simple maths gives out bad vibes. Conversely, store clerks in corner stores that use print roll tabulating ca

> A store clerk that pulls out a calculator to do simple maths gives out bad vibes. Conversely, store clerks in corner stores that use print roll tabulating calculators to add everything and reach totals give confidence to many, particulalrly those that hand over the printouts for inspection. There are patterns of argument that serial scammers use to confuse clerks about change. One of the better defence strategies is to slow walk the asserted calculation through on a calculater with print tally.