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  1. 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))) …

  2. 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 …

  3. 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 …

  4. Help | Math Forums

    Apr 17, 2018 · At a certain rate of compound interest, money will double in x years, money will triple in y years, and money will increase tenfold in z years. At this same rate of compound interest, \\$5 will …

  5. 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}.

  6. How to know the correct interest rate to apply? | Math Forums

    Apr 1, 2025 · The answer key indicates that the interest rate "r" was used to compute the future value of 450, where "r" is given by (1+r/m)^m =1.07, in which "m" is the number of compounding periods. …

  7. (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 …

  8. 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}} …

  9. 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 …

  10. Empirical formula | Math Forums

    Dec 3, 2016 · QUESTION A compound contains carbon, hydrogen and oxygen. Combustion of 10.68 mg of the compound yields 16.01 mg of carbon dioxide and 4.37 of water. The molar mass of the …