Ruby Fundamentals: Build a Command-Line Calculator โ€” WalkSelf
โฑ 2h 54m ๐Ÿ“š 29 lessons

Ruby Fundamentals: Build a Command-Line Calculator

Master the essential syntax for variables, user input, and control flow in Ruby by developing a functional command-line calculator.

  • ๐Ÿ’ฌ AI instructor
    Ask about any lesson and get a clear answer instantly, anytime.
  • ๐Ÿ• Start anytime
    No schedules or deadlines โ€” learn at your own pace, whenever suits you.
  • ๐ŸŒ In English
    Lessons, tasks and certificate โ€” all fully in your language.

About this course

Starting your programming journey requires mastering fundamental concepts, and Ruby is an ideal language for beginners due to its clear, readable syntax. This course guides you step-by-step through setting up your environment and writing your first practical script, giving you a solid foundation in core programming logic and script execution. This course focuses entirely on reading and practicing core concepts through written explanations and code exercises. By the end, you will have a working command-line application and a clear understanding of how programs process data and respond to user actions. What you'll learn: * Understand fundamental Ruby data types, variables, and assignment operations. * Practice handling user input using the gets method and converting data types correctly. * Apply arithmetic operators for addition, subtraction, multiplication, and division. * Configure basic control flow using conditional statements to manage different calculation operations. * Build and execute a complete, interactive command-line application using modern string interpolation for output. The course begins with an introduction to key programming terminology and environment setup, then moves into practical exercises focused on writing and refining the calculator script lesson by lesson. You will read detailed explanations and analyze code snippets to reinforce learning. This course is designed for absolute beginners with no prior programming experience. No special software or prerequisites are required. Start your programming journey today by mastering the basics of Ruby.

What you'll get

  • ๐Ÿ“œ Certificate of completion
    Add it to your LinkedIn profile
  • ๐Ÿ’ฌ Personal AI tutor
    Stuck on a lesson? Ask your built-in tutor anything, any time.
  • โ™พ๏ธ Lifetime access
    Come back anytime, no expiry
  • ๐Ÿ“ฑ Phone or computer
    Works anywhere, any device
  • ๐Ÿ’ธ 14-day refund
    No questions asked
  • โšก Short & focused
    2h 54m of practical content

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Frequently asked

What do I need to take this course? +

Just a phone or computer with internet. No installs, no special hardware.

How do I pay? +

By card via Stripe. We donโ€™t store card details โ€” Stripe handles them securely.

Can I get a refund? +

Yes โ€” full refund within 14 days, no questions asked.

How long will I have access? +

Forever. Once you purchase, the course is yours to revisit anytime.

Will I get a certificate? +

Yes. On completion you'll receive a certificate you can add to your LinkedIn profile.

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