X
o
o

For it is all one summe as you may se, but it is beste, neuer to set 5 counters in any line, for that may be done with 1 counter in a hygher place.

S. I iudge that good reason, for many are vnnedefull, where one wyll serue.

M. Well, then 120 a. *wyll I adde forth of hundredes: I fynde 3 in the fyrste summe, and 6 in the seconde, whiche make 900, them do I take vp and set in the thyrd roume where is one hundred all redy, to whiche I put 900, and it wyll be 1000, therfore I set one counter in the fourth lyne for them all, as you se here.

Xo°o oo oo
o

Then adde I ye thousandes together, whiche in the fyrst summe are 8000, and in ye second 2000, that maketh 10000: them do I take vp from those two places, and for them I set one counter in the fyfte lyne, and then appereth as you se,

o
Xo
o

to be 11001, for so many doth amount of the addition of 8342 to 2659.

120 b. *S. Syr, this I do perceave: but how shall I set one summe to an other, not chaungynge them to a thyrde place?

M. Marke well how I do it: I wyll adde together 65436, and 3245, whiche fyrste I set downe thus.