Page:The new art of memory (IA artofmemoryfound00fein).pdf/223

And multiplying these he has	25
Thus every member must be considered by	15
what it is in rapport to 10 and 5.	5
	3
	48

	•	•
	•	•	c
	•	•
b	•	•
	•	•
............— — —a
	•	•
	•	•
	•	•
	•	•
	•	•

But let us see if this is not in our dots also,

 

We have certainly above a and below b and c four dots, which are the tens; above b we have four, and above c two; two multiplied by four give eight for the units, so that we have 48.

	•	•	c
	•	•
b	•	•
	•	•
	•	•
............— — —a

"In the same manner 7 multiplied by 9,
we have 6 tens, and one multiplied by 3,
or 8 units, that is 63.