If a scalar is a pure number like pi, then it will have no unit. What does this statement mean? Can someone please explain? Thank you in advance. Please note that any unnecessary content will be reported.
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The identity e^(iπ)+1 = 0 is a well known equation that can be proven mathematically. It is an identify that contains the most beautiful entities encountered in math, namely π, i, e, 0 and 1. It combines the real and the imaginary. Can anyone explain it rationally, creatively and not just mathematically?
Heye
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★ Dimensional analysis, a dimensionless quantity is a quantity to which no physical dimension is assigned, also known as a bare, pure, or scalar quantity or a quantity of dimension one,[1] with a corresponding unit of measurement in the SI of the unit one (or 1),[2][3] which is not explicitly shown. Dimensionless quantities are widely used in many fields, such as mathematics, physics, chemistry, engineering, and economics. An example of a quantity that has a dimension is time, measured in seconds.
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