HP的开源的OCR代码1.03.HP在1985-1995年间开发的商业质量的OCR引擎，UNLV评为前三，2005年开源。-HP revenue OCR code 1.03.HP in 1985-1995 between the commercial development of quality The OCR engine, rated first three UNLV, in 2005 revenue.

C scr ipt for designing LP, HP, BP, BS digital Butterworth and Chebyshev filters.

三相同步电机，This demonstration illustrates use of the asynchronous machine in an open-loop speed control on a 3 HP 220 V industrial motor. Louis-A. Dessaint and R. Champagne (Ecole de Technologie Superieure, Montreal)-This demonstration illustrates use