Why I Still Write Code by Hand

In an age of advanced IDEs and AI code completion, there's still immense value in writing code by hand. This practice has improved my understanding of algorithms and problem-solving approach.

The Lost Art of Handwriting Code

When I tell younger developers that I still regularly write code by hand; with pen and paper; I'm usually met with bewilderment. In an era of sophisticated IDEs, AI pair programmers, and instant compilation, handwriting code seems archaic, even masochistic. Why would anyone choose to forgo syntax highlighting, code completion, and real-time error checking?

Yet I maintain that writing code by hand is one of the most valuable practices in my development toolkit. It's not about nostalgia or technophobia; it's about the unique cognitive benefits that come from slowing down and engaging with code in a more physical, deliberate way.

Deeper Algorithmic Thinking

When I'm faced with a complex algorithmic challenge, I reach for my notebook rather than my keyboard. Without the safety net of an IDE, I'm forced to think more carefully about each line I write. I can't run the code to check if it works; I have to reason through it step by step, tracing the execution in my mind.

This deliberate practice has dramatically improved my ability to reason about algorithms. I find bugs in my thinking before they ever make it to a computer. I consider edge cases more thoroughly. And perhaps most importantly, I develop a more intuitive feel for the algorithm's behavior.

Freedom from Syntax

When writing code by hand, I don't worry about perfect syntax. I focus instead on the core logic and structure of the solution. This liberation from syntactic details allows me to think more abstractly about the problem.

I often use a mix of formal code, pseudocode, and diagrams in my handwritten solutions. This flexibility helps me capture my thinking more accurately than if I were constrained by a programming language's syntax. Later, when I translate my solution to actual code, I often find that the structure is cleaner and more elegant than if I had started typing immediately.

Enhanced Memory and Understanding

There's substantial research suggesting that the physical act of writing improves memory and understanding. I've found this to be true in my own experience. When I write code by hand, I'm more likely to remember the solution later, even without referring to my notes.

This improved retention has been particularly valuable when learning new languages or frameworks. By handwriting key patterns and idioms, I internalize them more quickly than if I were just typing them out.

Distraction-Free Problem Solving

Perhaps the most significant benefit of handwriting code is the freedom from digital distractions. With just a notebook and pen, there are no notifications, no emails, no Slack messages pulling at my attention. This focused environment allows for deeper concentration and more creative problem-solving.

I've solved some of my most challenging problems during these distraction-free sessions, often in settings far from a computer; on walks, in nature, or while traveling.

A Practical Approach

I'm not suggesting that all code should be written by hand. That would be impractical and inefficient. Instead, I use handwriting strategically:

• For algorithm design and complex problem-solving
• When learning new concepts or patterns
• During technical interviews (both as interviewer and interviewee)
• When I feel stuck or need a fresh perspective

The rest of the time, I happily use all the modern tools at my disposal. The goal isn't to reject technology but to complement it with practices that enhance understanding and creativity.

Conclusion

In our rush to embrace new tools and technologies, we sometimes abandon practices that still have value. Writing code by hand is one such practice. It slows us down in a good way, deepens our thinking, and connects us more directly to the problem-solving process.

If you've never tried it, I encourage you to experiment. The next time you face a challenging problem, put aside your computer, grab a notebook, and see where your thinking takes you. You might be surprised by the clarity and insight that emerges from this simple change in approach.