(Johann P. Lange).doc - ??????
1. In this paragraph he narrates almost everything we know about him. [In the
second ed., he inserted a dedication as the first paragraph.] .... Piero della
Francesca's Mathematical Treatises The "Trattato d'abaco" and "Libellus de ......
Further values are obtained by rolling the die by a quarter turn. ...... 23, Exercises
IV, p. 34.