Is there an alternate symbol for mu for x 10^-6 ?

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The discussion clarifies that the symbol for micro (10^-6) is indeed represented by the Greek letter mu (μ). It points out that a common error occurs when the symbol for "proportional to" (∝) is mistakenly used instead of mu. In cases where TeX is unavailable or Greek letters are hard to type, some people substitute "u" for mu, such as using "uF" to denote microfarads. The conversation emphasizes the importance of using the correct symbol to avoid confusion. Accurate representation of scientific symbols is crucial for clear communication in technical contexts.
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Homework Statement
I am confused about a notation highlighted shown below
Relevant Equations
C = Q/V
1674877010845.png

Can someone tell me what that means? I'm think it should be a mu.
 
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The highlighted symbol means "proportional to". You are correct in thinking it should be ##\mu##. Some typesetter must have screwed up.
 
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If TeX is not available and Greek letters are difficult to type people sometimes use "u" instead (uF = ##\mathrm{\mu F}##). The "proportional to" (\propto, ##\propto##) is just the wrong symbol.
 
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