Per Scholas of New York has an advisory board as well. Per Scholas Per Scholas is a United States nonprofit that provides tuition-free technology training to unemployed or underemployed adults for careers as IT professionals. Per Scholas was founded in 1995 by Lewis Miller and John Stookey in the South Bronx, New York City. Today Per Scholas provides solutions in six cities across the country: Atlanta, GA; Cincinnati and Columbus, OH; Dallas, TX; the National Capital Region, and New York, NY. To date, Per Scholas has trained 6,000 individuals. Per Scholas offers a free IT training and workforce development program. Per Scholas
Parts-per notation Parts-per notation In science and engineering, the parts-per notation is a set of pseudo-units to describe small values of miscellaneous dimensionless quantities, e.g. mole fraction or mass fraction. Since these fractions are quantity-per-quantity measures, they are pure numbers with no associated units of measurement. Commonly used are ppm (parts-per-million, ), ppb (parts-per-billion, ), ppt (parts-per-trillion, ) and ppq (parts-per-quadrillion, ). This notation is not part of the SI system and its meaning is ambiguous. Parts-per notation is often used describing dilute solutions in chemistry, for instance, the relative abundance of dissolved minerals or pollutants in water. The quantity “1 ppm”