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Often we are asked what calculator should be used to solve a particular problem. Below, we've arranged commonly asked questions into groups, and then we suggest the most appropriate calculator to solve the problem.

The Most Commonly Asked Questions

Q. We are a lender? Do you have loan servicing software that will let us manage our small loan portfolio?

Q. I've lent some money and now the borrower is paying me back irregularly. Do you have a loan management program that will allow me to record the payments as I receive them and show the balance due?

Q. I've borrowed some money and now the lender says I owe them more than I think I owe them. Do you have a program that will validate the loan balance?

A. Yes, to all three questions. The C-Value! Wizard will do what you want. We've prepared this detail tutorial showing you how you can use C-Value! to manage any loan. You can also try the online Ultimate Financial Calculator calculator. It too lets you track payments as they are made, but you'll not be able to save your entries. However, you will be able to see if C-Value! will meet your needs as the two calculators have the same capabilities.

Q. How do I calculate my annualized rate of return (or the gross return for that matter) on my stock, option, bond and/or mutual fund investments?

A. Use the Internal Rate of Return (IRR) Calculator. Click on the calculator's Help button for a specific discussion of how to setup this calculation.

Q. How do I plan financially for my retirement, a college education or any other large expense?

A. Use the new Financial Goal Planning Adviser Calculator.

General Financial Planning

Q. I just received a $100.00 a week raise. How much will it be worth if I save $60 of it each week after 10 years?

A. Future Value Schedule.

Q. My child will be going to college in 12 years. What will I need to save quarterly so that I have the money when I need it?

A. Payment Required Calculator. Also note that the Annuity Schedule has a goal planning feature.

Q. One investment is quoting me an 'Effective Annual Rate' and another is quoting me the 'Nominal Rate'. Which is the better deal?

A. Equivalent Rate Calculator.

Q. I invested $10,000 in the stock market. I sold the stocks in one transaction for $23,687 after 27 months. What was my annual rate of return?

A. Either Return on Investment (ROI) or Internal Rate of Return (IRR).

Q. I lent my nephew $45,000 so that he can start a small business. After a year he will start paying me back $1,067.17 for 48 months. (I'll forgo any interest on the money during the first year.) What is my rate of return.

A. Internal Rate of Return Calculator.

Further explanation: The rate of return is not equal to the interest rate charged on the loan in this case. The Uncle calculated the monthly payment based upon a $45,000 loan at 6.5% paid in 48 periods. However, he was willing to wait one year for the first payment. Therefore there is a year where no interest is being earned on the money.

Q. I need to make a 9% return on my investments to meet my financial goals. I can buy a single family home for cash at $200,000. I plan to rent it for 10 years at $6,000 year (what a bargain!) and then sell it for $220,000. Will I be earning 9% on my investment?

A. Net Present Value Calculator.

Note that this investment does not meet the investor's requirements as the NPV is negative.

Q. A settlement has been offered in a civil court case. The plaintiff can receive either $150,000 as a lump sum or $20,000 for 8 years followed by $10,000 for another 5 years. Which offer should be accepted base on the total return?

A. Present Value of a Series Schedule

Q. I'm going to be retiring in 20 years. I believe that I can save $1,000 every other month now and in 5 years increase that to $1,200 every other month. Then finally in 10 years I will be able to save $2,000 every other month. What will this series of deposits be worth after 5 years, after 10 years and at the end of the 20 years? What happens to my savings if interest rates change during the 20 years?

A. Future Value Schedule

Q. Once I retire, how long will the savings from the above last me if I want to withdrawal $2,500 a month and I think that I'll be earning 8% on the money? How much will I have after 10 years?

A. Annuity Schedule

Q. I run a small retail business and I need to borrow $50,000 for 70 days to finance my extra inventory for the end of year shopping season. What will the interest charge be, assuming that I can borrow the money at 11.5%?

A. Compound/Simple Interest Calculator

Q. In today's dollars, I project that I will need $2,000 a month to live on in 20 years once I retire. Assuming that there 3% inflation for the next 5 years and then it increases slightly to 4% for the next 15 years, what amount will I need to equal the purchasing power of the $2,000 in 20 years? (The answer may surprise you.)

A. Purchasing Power Calculator

Q. How much am I worth today?

A. Net Worth Calculator

General Business Questions

Q. Our small business is considering launching a new product. How many of the items do we have to sell to recover our costs?

A. Break Even Point Adviser

Q. Should we lease our office furniture or finance it? How will depreciation impact this analysis?

A. Lease vs Buy Adviser

Loan Planning

Q. One mortgage company is offering me a loan for $150,000 at 8.5% with 0 points. Another mortgage company is offering me a loan for the same amount at 8% but it has 3 points payable up front. Which is the most advantageous loan? Is the answer to this question impacted if I decide to only live in the home for 5 years (thus possibly not recouping the cost of the points)?

A. Loan Comparison Adviser

Q. If I wanted to see how much interest I can save on a loan if I make an extra $100 a month principal payment, what calculator should I use?

A. Accelerated Payment Calculator.

Q. What if I want to make an occasional (random) extra payment toward a loan, how much will I save?

A. C-Value! or SolveIT!.

Q. I need to give my clients a Regulation Z APR Disclosure Statement. Can I do this?

A. Yes. Once again, use C-Value! or SolveIT!.

Q. How much money can I borrow if I can pay $1,250 a month and the rate is 6.5%?

A. Loan Calculator or if you want to have control over the starting date use the amortization schedule

Q. My husband and I have had our eyes on this home. The price has just been dropped to $375,000. Can we afford this?

A. Affordable House Calculator and Budget Calculator

If we didn't answer your question, feel free to ask it below.

6 thoughts on “what-calculator

  1. Is it possible to use other currency symbols instead of $ sign in your calculators? Are there fields where one can enter manually figures or percentages of transaction costs such as broker commissions, lender arrangements fees and taxes?

    • Yes, all calculators allow the user to change the currency symbol. The online calculators, have this in the lower right corner:

      $ : MM/DD/YYYY

      Click on it and a window will open that allows you to pick the currency and select the date convention.

      With SolveIT!, the selection is in “Setup”.

      As to the second question about fees, the answer is yes in a few cases, but it depends on the particular calculator.

  2. Looking to find a calculator for a fixed term, fixed payment and an optional balloon, but balloon needs option to pick or choose variable dates! In other words a balloon every 3 months or 6 months each year of contract!

  3. How much to buy all the calculators & tools for my computer desktop? And if so can they be downloaded to my windows desktop computer?

Comments, suggestions & questions welcomed...

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