Making chemistry book for HKDSE (Continue)

It is an interesting story of how I started to make chemistry book. First to say, I didn't plan to make it for sure, as I didn't know how to revise my chemistry exam, therefore, I make some notes in 'overleaf', and it eventually become my book. Book title: High-School Chemistry ...

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A fully functional square (Finished)

It was a boring day as I had finished my summer work. And suddenly think out of an idea of making a square in desmos with four parametrized line with extra parameter to do scaling, rotating and translating...

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