- 400 Correction of E’rrors in several Mathematical Tables. 
utmost accuracy in the seventh decimal place, more than seven de- 
cimal figures should be taken account of, in the minuend and sub- 
trahend. We will give here only the correction of one or two 
errors not thus occasione 
p. 114, opposite 20’, for 5797 read 5798. 
. p. 116, opposite 8’, for 5463 read 5465. 
Hassler’s Logarithmic and gana Tables : 
New 830. 
Table le of useful numbers on page 
Arce equal to Radius should be 2062648 ‘ai of 2052648. 
1° in parts of Radius, should be 0-0174532925199 &c. instead 
of 0:017453294199 &e. The number given as the Modulus of 
common logarithms, is the reciprocal of this modulus; and the 
number given as the logarithm of this modulus is the modulus 
itself. This last number however should be 0°43429448 &c. in- 
ised of 0434292448 &c. 
Table of Logarithms of Numbers. 
In place of the number 3485, is put 2485. 
4380, % 4280. 
_ 6930, ¥ 9930. 
3 tc 9968, ‘cc 9948, 
Where the three leading figures of the logarithms should be 861, 
they are 361; and where they should be 896, they are 886. 
Log. 65798, for 8182129 read 8182127. 
Log. 88320, for 9461591 read 9460591. 
In the table of logarithmic sines &c., for 56° is put 66°. 
Table of Natural Sines and Cosines 
In each of the cosines from 7° to 7° 30’, the indlont should be 
0 instead of 9. 
(Some other errors in Hassler’s Tables are noticed in vol. xxii, 
of the first series of this Journal.) 
Shortrede’s Logarithmic Tables: Edinburgh, 1844. 
p. 31, Log. 24451 for 3882996 read 3882966 
p. 43, “ 38962 “ 5906413 5906412 
p. 56, “ 54033 “ 7326541. “ 7326591 
p. 59, “ 57628 “ 7606336 “ 7606335 
p. 59, “ 67629 “ 7606410 “ 7606411 
p. 64, “ 63747 “ 8044597 “ 8044598 
p. 67, “ 67951 “ 8321958 “ 8321959 
p. 81, “ 85071 “ 9296815 “ 9297815 
p. 93 “ec 
93, “ 99286 « 9968800 9968880 
$50, Tite 9 fiom hnottonn, for’ 220: seed 728 
