In the Ebata family, I had bought (or re-bought on my own) personal computers for my daughters before the Corona disaster occurred.

With such good fortune, my daughters were able to instantly adapt to remote classes.

However, the situation changed when my second daughter entered university.

"PC's computing power is too poor"

My second daughter will now need to perform complex calculations of structural dynamics systems on a computer, so a computer that can do word processing, spreadsheets, and telework is not going to cut it.

The reason why I bought an 880,000 yen computer for personal use when I was a student was because I wanted to occupy a computer (at that time, computers were expensive and not something that each person could have) and also because the calculation power was poor.

(At any rate, today's Rasberry PI has more computing power than the mainframe in the university computing center at the time, but such comparisons are meaningless.)

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This time, my second daughter asked me to select a computer.

(1) Specifications to be able to calculate complex structural dynamic systems.

(2) Must be a notebook PC

When I heard this much, I thought that this was the only "gaming machine" that I could find, and when I told my second daughter the results of my selection, she told me of an additional requirement.

(3) It should be small enough to carry around with you, as it will be used for lectures at the university.

This (3) requirement broke my estimate.

If she is trying to get computational power, desktops are the cheapest and easiest way to go.

However, Note PC have poor computing power. It has to be a heavy laptop (e.g. gaming machine).

This is a complete trade-off.

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I've come to the conclusion that

(1) Thinking about the PC you will buy when you need to calculate structural dynamics in earnest.

(2) Buying a PC that has been owned by several friends and has a good reputation.

This was such a "backward-looking policy"

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Assentation -- Whether it is a PC, OS, application, or development language, this is the most important policy.

Why does GAFA reign as the unchallenged platformer?

It's simple.

This is because of the large number of users.