Corporate finance numerical questions

Here is an additional example of using a financial calculator to solve a common time value of money problem.
You want to be able to contribute $25,000 to your child’s first year of college tuition and related expenses.
You currently have $15,000 in a tuition savings account that is earning 6% interest every year.

If the test is in the doing, mastering corporate finance requires lots of practice.
You can test your skills by working through the practice problems in this section, many of which are also replicated in my corporate finance books.
Present Value:

This is because most financial calculators (and spreadsheets) follow something called the cash flow sign convention, which is a way for calculators and spreadsheets to keep the relative direction of the cash flow straight.
Positive numbers are used to represent cash inflows, and negative numbers should always be used for cash outflows.