Maths Standard

Credit Cards

What are Credit Cards?

Credit Cards are used to buy goods and services and pay for them later. The time where we are not paying for them accrues interest exactly like a loan, however, it is often calculated daily. This post explains how Credit Cards work and how to answer questions in the HSC Standard Math course.

The following video explains how credit cards work.


How to calculate credit card interest

The following video explains how to calculate credit card interest.


How do interest-free days work?

The following video explains interest-free days and how to solve examples with interest-free days.


Further Examples

The following videos go through further examples of solving credit card related questions in HSC Standard Math.

Part 1

Part 2