How did you find PF?: I was randomly searching the net for info on calculus books for self study, found a math reddit that brought me here.
I'm 65. Not working since 2000. In HS, 9th Algebra 1 = A, 10th Geometry/Trig =A, 11th, Algebra 2= D, (long story)....so no Calculus in Sr yr. Through...