▁to ▁resolve ▁ever ▁more ▁complex ▁con und rum s ▁as ▁math ▁advanced ." ▁However , ▁the ▁rev iewer ▁pra ised ▁Stewart ' s ▁sketch es ▁of ▁the ▁lives ▁and ▁times ▁of ▁the ▁innov ators . ▁The ▁book ▁was ▁described ▁as ▁" a ▁text ▁for ▁teachers , ▁pre co cious ▁students , ▁and ▁intellect ually ▁curious ▁readers ▁una f raid ▁to ▁t read ▁un famil iar ▁territory ". ▁ ▁See ▁also ▁ ▁In ▁P urs uit ▁of ▁the ▁Un known : ▁ 1 7 ▁Equ ations ▁That ▁Ch anged ▁the ▁World ▁ ▁References ▁ ▁Category : 2 0 1 7 ▁non - f iction ▁books ▁Category : Basic ▁Books ▁books ▁Category : Book s ▁by ▁Ian ▁Stewart ▁Category : Math emat ics ▁books <0x0A> </s> ▁Cor v all is ▁ ▁is ▁a ▁city ▁in ▁central ▁western ▁Oregon , ▁United ▁States . ▁It ▁is ▁the ▁county ▁seat ▁of ▁Bent on ▁County ▁and ▁the ▁principal ▁city ▁of ▁the ▁Cor v all is , ▁Oregon ▁Metropolitan ▁Statist ical ▁Area , ▁which ▁en comp ass es ▁all ▁of ▁Bent on ▁County . ▁ ▁As ▁of ▁the ▁ 2 0 1 0 ▁United ▁States ▁Census , ▁the ▁population ▁was ▁ 5 4 , 4 6 2 . ▁Its ▁population ▁was ▁estimated ▁by ▁the ▁Port land ▁Research ▁Center ▁to ▁be ▁ 5 8 , 6 4 1 ▁in ▁ 2 0 1 8 . ▁Cor v all is ▁is ▁the ▁location ▁of ▁Oregon ▁State ▁University ▁and ▁Good ▁Sam ar itan ▁Regional ▁Medical ▁Center . ▁ ▁At ▁a ▁longitude ▁of ▁