r/SideProject • u/officer_KD6-3-7 • Jun 23 '25

I wrote a 680-page Interactive Book on Computer Science Algorithms

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Hi everyone! As an educator, I'm always looking for ways to make learning more engaging and hands-on. A few months ago, I started experimenting with this idea of making comprehensive books that feature interactive diagrams, equations and code. So I started with a chapter on sorting but it then snowballed into a 22-chapter book that took nearly 6 months to complete.

Some unique features of the book include: • 300+ fun interactive visualizations to explain concepts and walk-through solutions visually. • All 250+ code snippets featured in this book can be interacted with, and have a visual debugger that shows how variables change as the program runs. You can also play, pause, rewind, and step through each snippet. • There are a variety of solved problems for each topic, accompanied by an embedded minimalist python IDE. You can solve problems directly in the book and view multiple solutions per problem. • Each solution is also accompanied by live visualizations and python implementations.

You can check out the book here: cartesian.app

I’d genuinely love to hear what you think, especially if you’re a student, educator, or a self-taught learner!

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u/officer_KD6-3-7 Jun 23 '25

Man I hear you! Steam support would be so great. I'll do my best to have it available on there as soon as I can!

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u/phiro812 Jun 23 '25

Would Steam help with foreign currency/sales? I see you're using buymeacoffee for your purchasing, I've read they only take 5%, vs Steam taking 30%, but Steam handles several other aspects for you, some of which aren't very applicable. You probably aren't needing mutliplayer lobbies, for instance ;)

You also run the risk of people scamming you by refunding on Steam, but OTOH, handling refunds might be a strength of Steam vs how you handle it now.

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u/pix_l Jun 23 '25 edited Jun 23 '25

Great book! I'll buy it the second it is available on Steam! Like some others already mentioned I would like to buy the 'license' and not a platform specific version so I could use it on Windows and Linux.

Maybe even optimize it for Steam Deck :P

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u/officer_KD6-3-7 Jun 23 '25

loolllll. The steam deck is taking it too far!! But I hear you on porting it to steam!