Miscellaneous Intelligence. 307 
“Elementary,” introduced into the title, quite inappropriate. We should 
not have thought it necessary to make this remark had not the author in 
his preface declared that the work was intended “ to give a full view of the 
uced. But assuming the reader to have acquired a fair know! ge of 
algebra, including the general theory of equations, we would recommend 
cesses, Hor Dr. Strong is a master of his subject and handles the most 
difficult parts of it with something of that kind of giant ease which we 
will make but a ingle remark upon that part of the book which is pro- 
minently set forth as new and important both by the author and his re- 
Viewers—nam the Solution of Cubic Equations “ by pure algebra. 
Case as well as Dr. Strong’s, both being based upon successive approxima- 
tion, and in practice Horner’s method will generally be far more expedi- 
tious. Again, the roots may be developed in converging series (as was 
icol 
$ compared with the method by series, D 
the fraction 243 : : ittle fi nits, that one thonsand 
£$32¢, which differs so little from units, | aes 
terms of the tea would barely suffice to determine the first decimal 
r 
