The Wolfram System has direct programmatic access to an extensive selection of curated scientific and technical formulas. These formulas are suitable for immediate integration into Wolfram System computations.
FormulaData — give the equations for a specific formula
FormulaLookup — look up formula names based on specific criteria
QuantityVariable — represent a physical quantity
QuantityVariableIdentifier — give the identifier for a quantity variable
QuantityVariablePhysicalQuantity — give the name of a quantity variable
QuantityVariableDimensions — give the associated physical dimensions
QuantityVariableCanonicalUnit — give the unit associated with a physical quantity