Self-tutoring about economics terms: the tutor mentions gross fixed capital formation. In simple terms, gross fixed capital formation (gfcf) is the amount invested in an economy. It might be given as an absolute number or as a percent of gdp. …
Self-tutoring about economics: the tutor mentions purchasing power parity (PPP). If one looks up the gdp per capita of Brazil, one might see it at around 9258 USD. However, its GDP per capita, PPP, is 19018 USD. Why the difference? …
Self-tutoring about energy developments: the tutor mentions pink hydrogen. When hydrogen is produced industrially, its colour describes the process whence it comes. Pink hydrogen comes from electrolysis of water, powered by nuclear reactors. It may also be referred to as …
Self-tutoring about international politics: the tutor mentions the idea of Canada joining the EU. It’s been floating around for awhile now, the idea of Canada joining the EU. Yet, could it happen? From Canada’s perspective, here are two interesting stats: …
Self-tutoring about potential arms purchases during uncertain trade policies: the tutor makes a few observations. In general, people might have a cynical mind about defense spending. The US spent over 2 trillion in Afghanistan, yet the Taliban seem to have …
Self-tutoring about Canadian politics: the tutor mentions the political party Quebec Solidaire. The following is according to my understanding. Quebec Solidaire is a provincial political party in Quebec. They seem sovereigntist, but wanting to tackle Quebec’s big problems first, then …
Self-tutoring about military technology: the tutor looks up the term ballistic missile. I’ve heard of ballistic missiles for decades. Yet, what is one? A ballistic missile is rocket-propelled. It follows a ballistic curve: its propulsion stage lasts only a few …
Self-tutoring about Excel: the tutor mentions its base() function. Let’s imagine needing to write a number in a different base; for example, needing to write 1005 in base 7. Excel has a function for that: =base(1005, 7). Apparently the answer …
Self-tutoring about Excel: the tutor mentions converting from Roman numerals to Arabic. Imagine you want to know what DXCIV is in Arabic numerals. Well, one might open up Excel and key in =Arabic(“DXCIV”). (Apparently, the answer is 594.)
Self-tutoring about Excel: the tutor mentions a fun function. Suppose you don’t know what 588 is in Roman numerals. In Excel, you could just enter =Roman(588) in a cell, and receive the satisfying answer DLXXXVIII. The =Roman() function is one …