Stereometrica

β U+2220΄ δʹ ηʹ ιϛʹ πρὸς β U+2220΄ δ΄ η΄ ιϛ΄· ποίησον οὕτως· δὶς ιϛ λβ· U+2220΄ τῶν ιϛ η· δ΄ τῶν ιϛ δ· η΄ τῶν ιϛ β· ιϛʹ τῶν ιϛ α· ὁμοῦ μζ. ταῦτα ἐφʼ ἑαυτά· γίνονται ,βσθ. τούτους ἀπάρτιζε εἰς τὰ σνϛ οὕτως· ὀκτάκις τὰ σνϛ· γίνονται βμη· μένουσι καὶ ρξα, καί εἰσιν εἰς τὰ σνϛ U+2220΄ ηʹ καὶ σνϛ΄· καὶ ἰδοῦ τὰ β U+2220΄ δʹ η΄ ιϛʹ πρὸς τὰ β U+2220΄ δ΄η΄ ιϛʹ γεγόνασιν η U+2220΄ η΄ καὶ σνϛ΄.