Continuous compounding? | Math Forums
Jul 31, 2010 · Continuous compounding interest is the same thing as compounded interest, but it is compounded an infinite number of times at any given moment. The compounded interest formula is …
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 …
help me find out what formulas to use for these | Math Forums
Apr 3, 2013 · If the new account earns interest at the rate of 8%/year compounded quarterly, how much will Luis have in his account at the time of his retirement? Hint: Use the compound interest formula …
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 …
Excel Formula for Breakeven Interest Rate | Math Forums
Aug 29, 2013 · As interest rates increase the monthly payment will also increase, pushing the monthly payment closer to the \$50,000 mark. I need to know a formlua in excel that will calculate what …
How do Interest Percentages Work? | Math Forums
Mar 22, 2022 · Based on the formula P = P (0) (1 + r/n)^nt, I inferred that when you have an interest rate r, the value only increases by ( (r/n)* 100) percent for every period. For example, an interest rate of …
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 ...
finding the principal by finding the periodic payment on a kth payment
Apr 3, 2022 · So, this is about Amortization Loan. I have this problem below. "On a loan with an interest rate of 12%, compounded monthly, and is being repaid on a monthly basis, the amount of 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 …
Derive Distance Formula | Math Forums
Dec 8, 2025 · Derive the the distance formula for points in the xy-plane. How is this done? Thank you.