I made a pdf file for taking notes and making plans (手帳 in Japanese) with LaTeX.

I made a gif showing COVID19 infection distribution changes in Japan. Nothing new, just a showcase with python.

I recently got this idea that we can show all the basic trigonometric functions and the derivatives in one figure. So I spent some time to plot it with LaTeX.

This is the beginning of teaching my daughter Chinese characters.

Another LaTeX template for this years documentation.

Cheat Sheet for Maxima v5.42.2.

Cheat Sheet for Julia v1.0.3.

Surprisingly I encountered this interesting computer language.

At the beginning of 2018, I decided to design a template for my notes in 2018.

Cheat Sheet for LaTeX mathematics.

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