Simple Interest Formulas Course
This course teaches the fundamentals of simple interest through formulas I = P·r·t and A = P + I, including practical applications, error avoidance, and comparisons to compound interest.

flexible workload from 4 to 360h
valid certificate in your country
What will I learn?
The Simple Interest Formulas Course provides a quick, practical way to master I = P·r·t and A = P + I, with clear units, conversions, and rounding rules. Go through guided examples, case studies, and comparisons of real offers to calculate interest, total amounts, and effective cost per dollar. 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 formulas: compute I and A quickly and accurately.
- Compare loan and savings offers: evaluate cost per dollar and final amount.
- Avoid common errors: handle partial years, units, rounding, and dollars properly.
- Distinguish simple vs compound interest: choose the right model for problems.
- Communicate results clearly: present steps, formulas, and decisions for peers.
Suggested summary
Before starting, you can change the chapters and 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 opportunity to follow various topics of my interest without needing to change platforms... I thank you for everything you do, I've already recommended you to other people...

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

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

Luciana AlvarengaNail Design Student
The platform is fast, simple to use. The diversity of content and complementary videos help a lot with learning.

André FelipePrompt Engineering Student
FAQ
Who is Elevify? How does it work?
Do the courses have certificates?
Are the courses free?
What is the course workload?
What are the courses like?
How do the courses work?
What is the duration of the courses?
What is the cost or price of the courses?
What is an EAD or online course and how does it work?
PDF Course