M1M TATI..N 111 LES. xix 



Examples. due to 0.6 per cent of 



47-3489 + 174-32825 - 5.62 147. 



re must retain places in the compo- 



.'.t. Hy insertion we see that the 



.It will le slightly iii.ire than 200. 1 1 : ii> lifth place will he the second dec- 

 imal ad that in the components. Thus. 



47-35 

 174 



..68 

 -5-62 

 216.06 [ an unknown amount as preei- --ire]. 



Example 7. Dtshvd the alirehrair sum of 



^489^0.0042, 1 74'. 32 825 0.00089, ail(l i47o.oooo8. 



Mpruu-nt. that is. the mie whos- lirst un.- 



;rtlirst to the left, is the tirst number, lletainin.u' this to two uia-ertain 

 it to the fourth decimal iilace. It will then be 

 is beyon.l that place, and we shall have 



174. 



2 J I . 



-5-' 



216.05 57 [ more than o'.oo42], 



Example 8. iie algebraic sin 



\\ 89 0.0; 32825 0.02 i- 5'. 62 147 0.1 percent. 



0.05 i 0.024 ; 0.02 .035 ; o. i ; 



:- 0.00 56. .'inpoiient is now the second, and this, and 



rims. 

 ;ive 



47- ^ 

 174 



221 



H 5 '' 



216.056 [ more 



Example9. could safely be transmitted i>> 



meter '/ inches, numr.; ; at a speed N rotations per 

 safe shearing load of wrought 



by the express 



Uf 



12-33000 



