Some employers have discovered that many front-line employees lack the basic math skills to calculate restaurant guest check totals, determine appropriate sales taxes, and perform similar arithmetic operations. It may be possible, but not feasible to teach the necessary math skills, but more frequently technology is used to eliminate that need. Calculators, point-of-sale terminals, and even hand-held order- entry devices can be used to eliminate arithmetic errors and to streamline other management processes at the same time