Precalculus 1: Basic notions — 94% Off Coupon

A solid preparation for Calculus, with elements of Discrete Mathematics: logic, sets, functions, relations, and proofs

⭐ 4.9 out of 5(7,037 students enrolled)Created by Hania Uscka-WehlouLast updated: 🌐 English

Course Overview - Key Takeaways

The following summarizes all verified data points for this course, including pricing, duration, instructor, and coupon validity. All data is sourced directly from Udemy and verified by CourseSpeak on .

•Course Title: Precalculus 1: Basic notions
•Provider: Udemy (listed via CourseSpeak)
•Instructor: Hania Uscka-Wehlou
•Coupon Verified On: July 4, 2026
•Difficulty Level: All Levels
•Category: Teaching & Academics
•Subcategory: Pre-Calculus
•Duration: 52h 30m of on-demand video
•Language: English
•Access: Lifetime access to all course lectures and updates
•Certificate: Official certificate of completion issued by Udemy upon finishing all course requirements
•Top Learning Outcomes: How to solve problems in chosen Precalculus topics (illustrated with 236 solved problems) and why these methods work. · Repetition of chosen aspects of high school mathematics (basic notions as numbers, functions, sets, equations, and inequalities). · The basic notions will be defined in a more abstract way, and you will get an insight into their place in Calculus and some other branches of university maths.
•Prerequisites: Basic high school mathematics (mainly arithmetic) · You are always welcome with your questions. If something in the lectures is unclear, please, ask. It is best to use QA, so that all the other students can see my additional explanations about the unclear topics. Remember: you are never alone with your doubts, and it is to everybody's advantage if you ask your questions on the forum.
•Price: $9.99 with coupon / Regular Udemy price: $174.99. Applying this coupon saves you $165.00 (94% OFF).
•Coupon: Click REDEEM COUPON below to apply discount
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What You'll Learn

This course gives you the following verified skills and competencies in Teaching & Academics:

✓How to solve problems in chosen Precalculus topics (illustrated with 236 solved problems) and why these methods work. .
✓Repetition of chosen aspects of high school mathematics (basic notions as numbers, functions, sets, equations, and inequalities). .
✓The basic notions will be defined in a more abstract way, and you will get an insight into their place in Calculus and some other branches of university maths. .
✓By the end of this course you will be able to understand all the elements in the epsilon-delta definition of limit, both symbols and the content. .
✓Arithmetic with basic rules (associativity and commutativity of addition and multiplication, distributivity) illustrated for positive integers. .
✓Basic terminology for equations and inequalities, with examples of linear equations and inequalities, with and without absolute value. .
✓Basic concepts related to functions (domain, range, graph, surjection, injection, bijection, inverse, composition) and how to work with them. .
✓Functions: monotone (increasing, decreasing), bounded, even, odd; extremum: maximum, minimum, both local and global. .
✓Geometrical operations on graphs of functions: translations, reflections, shrinking, dilating. Piecewise functions. .
✓Absolute value and its role in computing distances, with geometrical illustrations and functional approach. .
✓Equations of straight lines in the plane: slope and intercept; first glimpse into derivative as the slope of the tangent line, and link to monotonicity. .
✓Introduction to sequences and series; short notation for sum (Sigma) and product (Pi); arithmetic, geometric, and harmonic progressions. .
✓Logic: symbols and rules (tautologies) used for creating mathematical statements, definitions, and proofs. .
✓Set theory: union, intersection, complement, set difference; some important rules and notation. .
✓Relations: RST (equivalence) relations, order relations, functions as relations. .
✓Necessary and sufficient conditions: definition and examples. .
✓Various types of proofs: direct, indirect, by contradiction, induction proof, with some examples. .
✓Building blocks of mathematical theories: axioms, definitions, theorems, propositions, lemmas, corollaries, etc. .
✓Decimal expansion of rational and irrational numbers. Density of Q and R\Q in R. .
✓Cardinality of sets: finite sets, N, Z, Q, R; countable and uncountable sets. .
✓You will also get a solid background for any future studies in Real Analysis and other courses in university mathematics.

Course Requirements & Prerequisites

The following background knowledge and tools are recommended before starting this course. Students without these prerequisites may still enroll but should expect a steeper learning curve:

•Basic high school mathematics (mainly arithmetic)
•You are always welcome with your questions. If something in the lectures is unclear, please, ask. It is best to use QA, so that all the other students can see my additional explanations about the unclear topics. Remember: you are never alone with your doubts, and it is to everybody's advantage if you ask your questions on the forum.

About This Udemy Course

The following is the full official course description as published on Udemy by instructor Hania Uscka-Wehlou. It covers the curriculum structure, teaching methodology, and topic scope for this Teaching & Academics course:

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Is the Precalculus 1: Basic notions Coupon Worth It?

Expert review by Josh Smith, Lead Course Reviewer at CourseSpeakUpdated Jul 4, 2026

Based on analysis of the curriculum structure, student engagement metrics, and verified rating data, this is a high-value resource for learners seeking to build skills in Teaching & Academics. Taught by Hania Uscka-Wehlou on Udemy, the 52h 30m course provides a structured progression from foundational concepts to advanced techniques— making it suitable for learners at all levels. The current coupon reduces the price by 94%, from $174.99 to $9.99, removing the primary financial barrier to enrollment.

Pros

  • ✓Verified 94% price reduction.
  • ✓High learner satisfaction (4.9/5).
  • ✓Trusted by 7,037 students.
  • ✓Certificate + lifetime access.

Cons

  • !May be challenging for absolute beginners.
  • !Lifetime access depends on Udemy.
  • !Projects & quizzes need extra time.
JS
Josh Smith
Lead Course Reviewer
Credentials →

"Given the 94% price reduction and verified 4.9-star rating, Precalculus 1: Basic notions is a strong value in Teaching & Academics on Udemy. Enrollment recommended while the coupon is active."

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Final Verdict: Worth It
Exceptional value with current pricing
New to redeeming coupons? Visit our step-by-step guide for detailed instructions on how to apply coupon codes.Coupon last verified July 4, 2026.Udemy coupons are time-limited — redeem as soon as possible.

Course Rating Summary

This course holds an aggregate rating of 4.9 out of 5 based on 7,037 student reviews on Udemy. The distribution below shows the approximate percentage of students who gave each star rating.

4.9
7,037 Verified Ratings
5 stars
75%
4 stars
15%
3 stars
6%
2 stars
2%
1 star
2%

* Rating distribution is approximated from the aggregate score. Sourced from Udemy. Last verified: July 4, 2026.

Instructor Profile

Background information on Hania Uscka-Wehlou, the instructor responsible for this course on Udemy.

HU
Hania Uscka-Wehlou
Udemy Instructor
Full Profile ↗
Subject Area
Teaching & Academics
Total Students
7,037+ enrolled
Rating
4.9 / 5.0
Course Duration
52h 30m
Teaching Approach
Practical, project-based instruction focused on real-world application of Teaching & Academics skills. This course provides structured progression from foundational concepts to advanced techniques.

Frequently Asked Questions

The following questions and answers cover the most common queries about this course, its coupon code, pricing, and enrollment process. All answers are based on verified data from Udemy as of July 4, 2026.

About the Author

Josh Smith
Josh Smith
Udemy Coupon Specialist

8+ years finding and verifying the best Udemy deals. Helped thousands of students save on premium courses through curated coupon codes and exclusive discounts.