![]() It indicates that notes of the chord are played rapidly one after the other instead of simultaneously (like in a strummed chord). The line in music notation for an arpeggio is squiggly in front of the chord. Understanding the significance of “?” in mathematics can be crucial for thoroughly comprehending mathematical equations. In other words, it differs from the symbols typically used for negation in logic or similar applications. It’s important to note that the approximation defined by this symbol is reflexive and symmetric but not transitive. This symbol indicates that one number is approximately equal to another. In math, a squiggly line commonly referred to as “?” often appears in equations. It’s also much harder to type.īut if you’re a cool, contemporary teenager, squiggly lines convey the desired impression of a tilde in a tone far better than the scarily old-fashioned ‘about’ or ‘approximately’ do. You could replace the squiggly line with the word ‘about’ or ‘approximately.’ It means almost the same, just with more syllables. That remained the case until 1918 when the Spanish alphabet was reformed, and the ñ (used for all instances of “n” doubling in some languages) became an official character. Interestingly, the symbol has a name: the tilde.Īround the 12th century, Spanish scribes began using a squiggly line over letters to indicate they were doubled to use less paper.Īround 1522, this practice became specific to indicate only an “n” was being doubled.
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