These calculators are designed for Japanese university students who major in business. They focus on three important areas: finance, accounting, microeconomics. You can change the numbers and see how the results change.
The English is simple, but if you want, you can switch to Japanese at the top left.Each calculator below uses yen (¥) in the examples. You can switch the currency to dollars ($) anytime.
Check if an investment project adds value. Enter the cost today and the cash you expect in future years. The calculator shows NPV and IRR in simple language.
Useful for corporate finance and investment decisions. Open calculatorFind how many units you must sell to break even (no profit, no loss) and see profit or loss at your expected sales. Good for cafés, online shops, and other small business examples.
Useful for financial accounting and managerial accounting. Open calculatorFind the equilibrium price and quantity where quantity demanded equals quantity supplied. Enter simple linear demand and supply equations; the tool solves the intersection and shows a graph.
Useful for introductory microeconomics and market analysis. Open calculatorSee how many years it takes to recover your initial investment. Payback uses undiscounted cash flows; discounted payback uses the same discount rate as NPV. Pairs with the NPV/IRR calculator.
Useful for corporate finance and investment decisions. Open calculatorConvert a stated annual rate (APR) to the effective annual rate (EAR) based on how often interest is compounded. Quick and useful for comparing loans or investments.
Useful for both EN and JA students in finance and banking. Open calculatorSee the monthly payment, total interest, and simple amortization schedule for a loan. Helpful for car loans, student loans, and small business borrowing.
Useful for personal and business finance decisions. Open calculatorThese calculators are free for Japanese university students and teachers. Check out Ron's full suite of financial calculators at ronbelisle.com.