Ciro Santilli @cirosantilli  40

Their websites a bit shitty, clearly a non cohesive amalgamation of several different groups.

E.g. you have to create several separate accounts, and different regions have completely different accounts and websites.

The Europe replacement part website for example is clearly made by a third party called flex.com/ and has Flex written all over it, and the header of the home page has a slightly broken but very obviously broken CSS. And you can't create an account without a VAT number... and they confirmed by email that they don't sell to non-corporate entities without a VAT number. What a bullshit!

Survey by Ciro Santilli: math.stackexchange.com/questions/1985/software-for-drawing-geometry-diagrams/3938216#3938216

Many plotting software can be used to create mathematics illustrations. They just tend to have more data-oriented rather than explanatory-oriented output.

Some good insights on the earlier history of the industry at: The Supermen: The Story of Seymour Cray by Charles J. Murray (1997).

One of the most enduring forms of storage! Started in the 1950s, but still used in the 2020s as the cheapest (and slowest access) archival method. Robot arms are needed to load and read them nowadays.

The opposite of volatile memory.

Computational problem where the solution is either yes or no.

When there are more than two possible answers, it is called a function problem.

Decision problems come up often in computer science because many important problems are often stated in terms of "decide if a given string belongs to given formal language".