SCALES OF NOTATION 59

By the second method,
15552(N) =1 X T+ 5 XFI+3) XTI+ XI+2

7(*f)

e
12

y
84

+ 5
89

Xl

623
+ 5
628
X 7
4396
A= 22
4398(f)
By the third method,
=131 155506 1165(7) 61(7) 4 =a;

13 114 55
=78 98 "3 =a, Ans. 4398(%).
13 13
1—25 fi RO — ay
114
112
101
_fi = Qg

Evidently for this change the first and second methods are
easier for us than the third.