C 3=4 3 
A Problem 
For finding the Tear of the Julian Period by a new and very eafie 
Method o 
T His occurs in the Journal des Scdvattsn 0 . 3d, as it had been propofed and 
communicated by the Learned J efult DE BILLT . viz. 
Multiply the Solar. Cycle by 4845. and the Lunar, bv 4200. and that. of 
the Indi&ion, by 5pi6, Then divide the Sum of the products by 7980. which 
is the Julian Period : The Remaindtr of the Divilion without having re- 
gard to the Quotient Y fhill be the year enquired after. 
^E.ig. Let the Cycle of the Sun be 3 * s of the Moon 4 ; and of the In- 
iittion 5. Multiply 3. by 4845 , and you have 145 3 5 ; and. 4. by 42 00* 
comes 16800 ; and 5. by dpi 6 , comes 345 80. The Stun of the pro- 
durSfcs is ,<5591.5 j which being' divided by 7480. gives 8. for the Quotient , 
and the number 2075, which remains , is the Year of the: Julian Period. 
Some learned Mathematicians of Paris , to whom the iaid . de Billy, d id 
propole this Problem y have found the Demoaftration thereof; as the. 
fame Journal intimates. 
An Account - 
Offome Books 3 not long fince piiMifijed. 
I. T E'N TAMINA PHYSICO-THEOLOGIC A PE' 
DEO, She THEOLOGIA SC O L A ST I C A , ad Normam 
Nova & Reformats Philofophia conclnnata , .& dmhA llbris comprehenfa. 
Quorum alters, de Dei exijtentia adverfm Atheos et Epicureos ex ipforummet 
Prineipiis difputatur ; alters , de. Sjufdem EJfemia & Attribute * primb, 
fecundkm Theo’ogiam Ethnic am , ub'i ixphcat nr , Quantum haSlsnus Alii 
in Gentilium fententiis , de Jummi Numinis Natura eruendis , hallucinate 
fuerint] deinde fecundum Theologiam Chrijtianani: Et quid de Divina Ejfentia 
ac Attribute ftatuendum Jit r dejferltur. Quihus profiremb accedit fpecialis 
Dljfertatio de Primo Numinis Aitributo^/E PER N I T A TE. Authors 
Samuele Parker 0 , A.M. 
This Treatife , publillfd the lift year , would fooner have been taken no- 
tice oft’ in thefe Trails ? had it not efcaped the Tublijhers view till of late 9 
when he, upon ferious perufa! , found it very worthy the recommending it to 
all forts of perfons, and particularly to thole, who either pleafe themfelves 
with that fond opinion , 7 hat Philo fophy js the Apprentijhip ef At heifme; 
or hearken to the afperfibnsj that are generally laid upon the %efsrmatkn of 
Philofiphy. 
This excellent piece removes both thefe ; and being joyned and compared 
with the truly. Noble Mr, Boyles Con^derations in hii Firfi Pan of the 
JUfefuK 
