Simple Interest Formulas Course
This course teaches the simple interest formulae I = P·r·t and A = P + I, focusing on practical calculations, comparisons, and clear communication of results.

4 to 360 hours flexible workload
valid certificate in your country
What will I learn?
The Simple Interest Formulae Course provides a quick, practical route to mastering I = P·r·t and A = P + I, with clear units, conversions, and rounding rules. Work through guided examples, case studies, and comparisons of real offers to calculate interest, total amounts, and effective cost per pound. Learn when simple interest is suitable, how it differs from compound interest, and how to present accurate, well-explained numeric results.
Elevify advantages
Develop skills
- Apply simple interest formulae: calculate I and A quickly and accurately.
- Compare loan and savings offers: evaluate cost per pound and final amount.
- Avoid common errors: handle partial years, units, rounding, and pounds cleanly.
- Distinguish simple vs compound interest: choose the right model for problems.
- Communicate results clearly: present steps, formulae, and decisions for peers.
Suggested summary
Before starting, you can change the chapters and the workload. Choose which chapter to start with. Add or remove chapters. Increase or decrease the course workload.What our students say
Your lessons are perfect. I purchased the one-year package and finally have the chance to follow several topics I'm interested in without having to switch platforms... thank you for everything you do, I've already recommended you to others...

Giulio CarloDigital Marketing Student
I like how the lessons get straight to the point and how I can switch chapters and skip content I don't need.

Mariana FerresPhotography Student
I like the content and the way the videos are presented and transcribed, which speeds up the process!

Luciana AlvarengaNail Design Student
The platform is fast and easy to use. The variety of content and the supplementary videos really help with learning.

Giulio CarloPrompt Engineering Student
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