Depending on the merchant’s point-of-sale (POS) bank terminal, the merchant will pay $20.70-$28.75 for that transaction and receive a net amount of $971.25-$979.30.

The best bar POS systems include Square, Toast, Clover, Lightspeed and TouchBistro.

Traditionally, vector network analyzer (VNA) measurements have been used to determine the frequency dependence of four-terminal pair air capacitors. Recently, researchers at the National Institute of ...