Writing a simple calculator in Racket

Frustrated by several attempts at creating GUI-based programs that I’ve tried in the past, I decided to try how differently the story could end when using a language that promises enlightenment to its users. I ended up writing Calculon, a simple calculator, and in the process learned a couple of things about Racket and the racket/gui module (and paid homage to one of the best cartoons in history).

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Twelve weeks of Racket and CS:APP

As promised, this is a wrap up of my experience concentrating for (slightly more than) 12 weeks on only 2 subjects. For this first stint, I chose to learn Racket and to read Computer Systems: A Programmer’s Perspective. Not long ago I have lost interest in providing ultimate motivations for what I do in my free time; I’ll just stick to what happened. (I can’t promise I won’t motivate everything else, which is not
ultimate.)

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Kicking the tires

In the hot, cruel desert of this space, wind howled in solitude. A stone statue lay on the ground like a man asleep, succumbing to its own weight, mental and physical. For more than one year, no stirring. The sun shines on again today. A wanderer passes by on a camel, and looks at the strange statue. He swears that he saw it moving.

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