Compound interest And Fractals | Math Forums
Jan 25, 2024 · How on earth does the compound interest formula have anything to do with this? For the reason that compound interest's recursive; For any given p , we have the outputs (amount) f (f (f (p))) …
Compound Interest | Math Forums
Nov 21, 2016 · I know the compound interest formula and how it works, but how would I go about finding how much an initial deposit should be? Jamal wants to save $54,000 for a down payment on a …
Reverse compound interest excel formula? | Math Forums
Feb 5, 2015 · Hi, is there a way to find out the annual compound interest (A), from the interest (I) over (Y) number of years? For example: If interest over 5 years is 300%, so I=5, Y=3.0, how can I …
Compound interest and annuity - Math Forums
Aug 19, 2012 · Amortization formula: A = P i (1 + i) n (1 + i) n 1 . . where: {A = periodic payment P = amount of loan i = periodic interest rate n = number of periods} W\!e are ...
help me find out what formulas to use for these | Math Forums
Apr 3, 2013 · After 25 years the investment tripled. Use this information to find the interest rate that was given. Compound interest formula? Any problem with the words "sinking fund" means you use the …
(1 = i) & (1 + i) ^n | Math Forums
Jan 9, 2024 · On compound interest tables, I have seen just (1+i) without the P used. In addition to being goofy, the second factorization is flat out wrong. (P + P) n ≠ P (1 + i) n . Perhaps working …
Annual growth rate | Math Forums
Sep 18, 2022 · A "correct answer" of 81% seems to suggest that the compound interest formula was used where 3.21=0.05 (1+i)^7 and i=\left (\frac {3.21} {0.05}\right)^ {\frac {1} {7}} …
Understanding negative exponents in regards to a PV formula
Jan 29, 2022 · To get future value, we multiply periodic payments by the interest rate (compounded effective int rate? I forgot the term, but you get the periodic interest rate, compound it for nt periods …
Calculate his balance after 12 years. | Math Forums
Feb 5, 2015 · Are you told that this is "simple interest"? That is what you calculated but that would be very strange for bank interest. "Compound interest" would be would be 130 (1.06)^ {12}.
Explain this shortcut C.I solution. | Math Forums
Jul 19, 2019 · A sum of money placed at Compound interest becomes 27 times of itself in 15 years. In 25 years, it will becomes how many times? Shortcut Sol: 3^3 = 3*5...