Measuring apparatus, namely, counters and apparatus for indicating and measuring quantity; money counting and sorting machines; electronic cash registers; check memorizing machines, namely, scanners for use in recording images of checks; check verifying devices, namely, optical readers for electronically verifying checks; cash registers; handheld terminals, namely, electronic personal identification number (PIN) pads for electronic payment transactions; point of sale terminals; handheld terminal, namely, handheld electronic payment terminal