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Integer Parts Course

Integer Parts Course
from 4 to 360h flexible workload
certificate valid in your country

What will I learn?

The Integer Parts Course gives you a fast, practical command of floor, ceiling, and fractional part functions. You will master core properties, key inequalities, and efficient manipulations, then apply them to sums, counting arguments, divisibility, and interval problems. Short proofs, worked examples, and quick checks help you avoid common errors and write clear, concise solutions with confidence.

Elevify advantages

Develop skills

  • Master floor and ceiling laws: rigorous, fast evaluation in real problems.
  • Compute and simplify floor/ceiling sums: grouping, index shifts, double counts.
  • Apply integer-part tools to counting, divisibility, and remainder proofs.
  • Control errors: avoid off-by-one, sign, and inequality mistakes with checks.
  • Use fractional and nearest-integer parts in concise, competition-ready proofs.

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.
Workload: between 4 and 360 hours

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 Carlo
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 Ferres
Mariana FerresPhotography Student
I like the content and the way videos are presented and transcribed, which speeds up the process!
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Luciana AlvarengaNail Design Student
The platform is fast, simple to use. The diversity of content and complementary videos help a lot with learning.
André Felipe
André FelipePrompt Engineering Student

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