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4,8/5
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+5000
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+1000
Free audiobooks
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Calculus I entire course
14h52m
45 exercises
Calculus 1 for beginners
10h40m
6 exercises
Calculus 1 lectures
22h27m
22 exercises
Introductory Calculus
58m
5 exercises
Calculus 3
75h24m
17 exercises
Calculus 2
50h03m
24 exercises
Calculus 1
44h56m
30 exercises
Discrete Math
9h38m
43 exercises
Introductory Calculus
40h09m
49 exercises
Calculus 1
New
7h37m
28 exercises
Calculus basics
New
2h42m
17 exercises
Calculus
New
33h57m
50 exercises
Mathematical Logic
New
12h19m
46 exercises
Tensors for Beginners: Learn Tensor Calculus Fundamentals
New
3h06m
16 exercises

Free CourseConvolutional Neural Networks for Computer Vision: Detection, Recognition
New
6h01m
26 exercises

Free CourseJasmine Testing Framework Course
New
8h45m
27 exercises

Free CourseMastering Jest in React – The Complete Testing Series
New
1h17m
10 exercises

Free CourseFrench Pronunciation Course: Master Vowels, Nasals and the French R
New
1h43m
21 exercises

Free CourseReactJS Course For Beginners
New
8h29m
17 exercises

Free CourseManagerial Accounting Complete Course
31h51m
42 exercises

Free CourseReact Hooks Tutorial
New
1h17m
2 exercises

Free CourseReact Basic Hooks
New
1h32m
12 exercises

Free CourseAll 12 English Tenses (Complete Guide)
10h38m
17 exercises

Free CourseJavaScript Objects and Prototypes In-depth
New
2h15m
13 exercises

Free CourseReact.js Unit Testing and Integration Testing Tutorial
New
3h36m
3 exercises

Free CourseEnglish Grammar for Beginners (A1) Complete Foundations Course
2h24m
23 exercises

Free CourseEnglish Pronunciation Course: Master All 44 IPA Sounds and Clear Speaking
1h21m
22 exercises

Free CourseCSS Complete Tutorial
New
8h30m
49 exercises

Free CourseComplete ECMAscript6 ES6 Course
New
5h58m
51 exercises

Free CourseUsing the Fetch API in JavaScript and ASP.NET Core
New
1h14m
6 exercises

Free CourseWorking
New
4h36m
19 exercises

Free CourseAsynchronous JavaScript: From Callbacks to Async/Await
New
2h05m
19 exercises

Free CourseMaster All 49 American English Sounds: Vowels and Consonants
New
7h39m
41 exercises

Free CourseEasy English Conversations for Beginners: Daily Life and Simple Questions
59m
13 exercises
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The Silk Road: How a Network of Trade Routes Connected the Ancient World
The Silk Road was never one road, and silk was only part of the story. A clear look at the routes, the goods, the ideas and why the network faded.

The Four Vital Signs: What Temperature, Pulse, Breathing and Blood Pressure Actually Tell You
Temperature, pulse, respiration and blood pressure are the first things measured in any clinical setting. Here is what each one means and why.

Ser vs. Estar: How to Finally Know Which Spanish Verb to Use
Both mean “to be”, but they are not interchangeable. Learn the rules behind ser and estar, the meaning shifts they cause, and how to stop guessing.

What Is EQ in Music Production? A Beginner’s Guide to Equalization
Understand what an equalizer does, the main EQ types and filter shapes, how frequency ranges map to what you hear, and practical habits for cleaner mixes.

Emulsions in the Kitchen: Why Mayonnaise, Vinaigrette and Pan Sauces Work
Learn what an emulsion is, why oil and water can be forced to mix, which ingredients act as emulsifiers, and how to fix a broken sauce in the kitchen.

Text Encoding Explained: ASCII, Unicode and Why You Sometimes See Strange Symbols
Learn how computers store text, what ASCII and Unicode actually are, why UTF-8 became the standard, and how to fix files that display garbled characters.

Idempotency in APIs: Why Retrying a Request Should Be Safe
Learn what idempotency means in backend development, which HTTP methods provide it, and how idempotency keys prevent duplicate operations.

Topology in 3D Modeling: Why Clean Quads Matter More Than You Think
Understand what topology means in 3D modeling, why artists prefer quads, and how edge flow decides whether a model deforms or breaks.
Nowadays, the internet offers a wide range of free courses for those who want to improve their qualifications and, consequently, increase their knowledge and even guarantee better opportunities in the job market. However, it is necessary to be careful not to fall into holes and end up wasting time.
First, think of a course on any topic. Now imagine being able to do it without paying anything for it – not even for the certification at the end of it. That's what you find at Cursa, a project focused on offering free courses and content through the website and application available for iOS and Android.
As mentioned above, Cursa courses are not only available in the most varied segments – but also completely free and online. You can still do them any day or time of day, depending solely on your availability.
That's what you read. Want to become an entrepreneur? Learn to do complicated math? Want to improve your writing? Learn to program? Improve skill with spreadsheets?
Having decided that, go to the Cursa app or website to check the available course options and start yours as soon as possible. With Cursa you not only take the courses but leave with the certification in hand.
To take a free online course, the first step is to decide what you want to learn.
And there's more: if you can't decide between one topic or another, you can also start with a knowledge trail. Trails are currently available with diverse content for those who: want to make an extra income or start a new venture in the comfort of their own home, work as an operator or inspector in supermarkets, become a Front End or software developer or want to start a business, but don't even know where to start.
At Cursa you will find courses to increase your professional qualification even if you are unemployed, since the courses are free and even certified. In this way, you can take advantage of your free time to study and can also include them in your resume, increasing your chances of getting a good job in the job market.
Not sure what to choose? Cursa offers a wide range of courses in the areas of computers, languages, high school, management and business, health, music, law, art and design and so on.
About
After completing the course you will have free access to the digital certificate of course completion.
How to get it for free: It is only possible to issue the certificate in our application, which can be downloaded from Google Play or App Store, so you can take the online course here and use the app only to issue the certificate. Being that you can also take the courses through the app if you wish.
In digital format: After completing the course and generating the certificate through the application, the image of the same will be generated in the photo gallery of your cell phone and will also be sent to your email.
Why the certificate is important: You can use it to improve your resume, to rise in careers or positions, to enrich your knowledge and among several other applications.
See more about the Certificate
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