boke

The handelynge whereof Tulli wryteth in his boke of inuencion thus.

And is boke tretys e Craft of Nombryng, e quych crafte is called also Algorym.

Here he telles e in quych side of e boke or of e tabul ou schalle be-gyne to wyrch duplacio, diuisio, and multiplicacio.

The reason of som thynges done in this boke, or omitted in the same, you shall fynde in the preface before the Theoremes.