Mr.Ebata's Memorandum(2021-04-04)

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2021-04-04 My second daughter seems to have come into my territory. [長年日記]

These are my second daughter's textbooks for college.

As described here,

"Without matrices and calculus, there is no way to understand the world"

I know this truth.

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My second daughter seems to have come into my territory.

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