mm 
As 23 0258 509299^45624 01 78700, the Logarithme of 10] 
To 693 14718055994529*43 719*7, the correfpondent Logarithm of 2 S 
So 1 000 OOO 000 000 000 000 000 000 o, the Logarithme of 10 in the 
Tables. 
To 30102999566398 1195240580$, the Logarithme of 2 in the TiW*/. 
By this means the Area of onz Hyperbola being computed, the 
of all others may be thence argued, as is (hew'd by Greg. St^ 
Vincent^ and Vw SchootenmTritctatu de Organic a Conicarum jectw- 
num defcrifthm. 
. ' . . . c 1 between 1 and 10 you con* 
It the LdganthmC Oil be put O <t ceive 9999999 mean Pfopoy- 
And Of 10 — -— — » ~— I> OOOOOOO tionals interjected, the firit is 
1,0000002302585 j. 
If the Logarithms of 1 be put oT^ If ycu conceive 99999 mesn 
. And of 10 — « — 1 oocooiPioportionah between 1 and 
10, the fiiftis 1,0000 23025853, if an infinite rank of thefebe 
continued, there is no Number propefd, but will go rrgh to be 
found in- this rank, and the Numbe; of Terms, by which it is 
removed from Unit, is the Logarithme of the Number fo found.T'he 
ratioof i,ro 1,000000 23025853, (omtciWElemmtumLogarkk- 
micum. Sit Cavaltm's Trigonometry, 
T ht Area o f an i/j^r^is fr qaently required. in Guaging% %% 
admit, it were required to compute the Solidity of the Segm:nt 
of' an upright Cone cut by a V law> that would cut the produced op- 
pofite Gone in any fuch Cafe the SeSion s an Hyperbola. Butwe 
will only take the Iwftdnce, wheg it is paraiel to the Axis. 
In Figurell. .1. Let BVA reprt fent fuch a Cone VC its Ax>s. 9 
BSAR the Circleinthz Safe. And firft fuppofe this Gone cut by a 
Vlaine paffing through the Vertex ^vA the Bafe, USRU5 then is 
the whole Cone divided in fuch proportions as the Area of the Cir-- 
de in the Bafe. Whence we difcover the Ufe and the Want of a 
good T able of Area's of fegments*, the beft of wh ch kind yet ex- * 
tantis in Sibrand Hant&his Century of Geometrical Problems trans- 
lated out of Dutch into Englijh by Capt. Thomas Rudd, who omit- 
ted the faid Table 5 ufelul likewife for finding the Area of a Seg- 
ment of an Mllipfts, and the obtaining the quantity of Liquor cue 
of, or left in a Cask part empty, . 
And we hint, that a Table of mturalVer fed Sines is to be found 
in Maginus, and of Logarithmicd ones in Cavallieri's -Directorium 
Univerfale Vranomnricum % 
% . The former fMn did cat: out a Chord-line in -tf t^Bdfi^ to 
