An introduction for to learne to recken wyth the pen : or with the counters, according to the true rule of algorisme, in whole numbers or in broken Newly ouer seene and corrected. Wherto is annexed certaine notable and goodly rules of false positions, not before sene in our English tong, by the which al maner of dificil questions maye easely be dissolued and assoyled. Anno. 1566.