Question: What is a 2R2K?

22

This is a valid point. I made the analogy to μF, however, only to point out the tendency to substitute Greek letter SI measures or suffixes with a Latin letter by means of visual resemblance versus translation in English.

This is not a case of “apples and oranges”. Both R and u as Ω and μ respectivelly, are part of the same RKM standard.

According to the relevant article in wikipedia:

The letter R was chosen because visually it loosely resembles the Ω glyph, and also because it works nicely as a mnemonic for resistance in many languages.

There is no reference in the article, so the rendering could be either due to visual resemblance or translation.

However, there is some additional evidence that the initial motivation was visual resemblance and that the mnemonic device came later as a bonus.

  • u as μ as noted above (also part of the same RKM standard). Only visual resemblance, no translation.

  • Pre WW-II Ω which was denoted as lowercase omega (ω), which was in turn rendered in Latin as E because “visually, the letter E loosely resembles a small Greek letter omega (ω) turned sideways”.

  • Ω also sometimes denoted as W because the W visually resembles lowercase omega (ω).

23

Fortunately in the states, everything is measured in cubic Trumps now

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24

Incidentally, if anyone can be bothered, it is very easy to switch between any two keyboard layouts on Windows and Ubuntu (I assume also in Mac) after adding an additional keyboard layout.

For Windows: Click on the language icon on the bottom right → Select “more keyboard settings” → Add a language.

If you choose “Greek” from the list, you can switch between a Greek layout and your default language back and forth simply by Alt+Shift.

Then you can type all your Ω ω Σ σ μ Δ π and many more. The Greek querty layout has a rather intuitive correspondence to the Latin layout. You get:

π for pressing p
μ for m
η for h
ω for v
σ for s
δ for d
and so on. For capital letters, you just use shift or caps lock as usual.

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25

Same here!
Growing up in the 1970’s a cubic trump was a volumetric unit used to reflect the power, range and lingering smell of any fart on a bus. Anything over a 3.6 Cubic Trumps could tarnish chrome.

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