expenses per traffic unit

revenue per traffic-unit

fifty-per-cent zone in per cent of the range

hundred-per-cent zone (one-hundred-per-cent zone)

Trillions of Operations Per Second / Tera Operations Per Second (TOPS)

payment in lieu of the travel expenses

latent heat per unit mass

kilometers per hour (kph)

meters per second (m/s)

miles per hour (mph)

per diem

rounds per man

rounds per minute (r.p.m.)

vehicles per kilometer

probable error in range (PER)

floating-point operation per second (FLOP)

outdoor air intake per person

cargo space per inch of wheel base

weight per HP

actual cubic feet per minute

engine weight per horsepower

hundred-per-cent rectangle

standard cubic feet per hour

average emissions per passenger

feet per minute (FPM)

fuel consumption per hour

fuel consumption per kilometre

meters per second (MPS)

respirations per minute (rpm)

per centum increase

per diem allowance

PWM (one wire per channel)

Voltage level per cell where power is cut