Scalar

Scalar may refer to:

Scalar (mathematics), a quantity that can multiply vectors in the context of vector spaces
Scalar (physics), a quantity that is independent of specific classes of coordinate systems
Variable (computing), or scalar, an atomic quantity that can hold only one value at a time

See also

Scalar product, also known as the dot product
Inner product space
Pseudoscalar
Scalar field
Scalar processor
Scale (music)

Biology

Pterophyllum scalare (Lichtenstein, 1823), a species of freshwater angelfish
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