Finance Formulas, Area and Volume Formulas - Study Guide | MATH 130, Study notes of Mathematics

Download Finance Formulas, Area and Volume Formulas - Study Guide | MATH 130 and more Study notes Mathematics in PDF only on Docsity! Finance Formulas Simple Interest: I = Prt, FV = P(1+ rt) (r = per year) Compound Interest: FV = P(1+ i)n (i = per term) Ordinary Annuity: FV = pymt (1 + i)n − 1 i Annuity Due: FV(due) = FV(ordinary) . (1+ i) Legal Loan amount = Loan amount − points − fees   Payout Annuity Amortized Loan P(1+ i) n = pymt (1 + i)n - 1 i Area and Volume Formulas Sphere: V = 4 3 πr 3, A = 4πr2 Triangle (Heron): A = s(s - a)(s - b)(s - c) where s = 1 2(a + b + c) Statistics Sample Variance: s2 = ∑ (x - x _ )2 n - 1 = 1 n - 1       ∑ x2 - (∑ x)2 n Sample Standard Deviation: s = variance Margin of Error: z α/2 2 n z-score: z = x − x _ sd = x − µ σ c b a