FormulaData

FormulaData[name] gives the equations for the formula name.

FormulaData[name,{var1->quantity1,var2->quantity2,…}] solves or simplifies equations using the specified values quantityi for the variables vari.

FormulaData[name,"property"] gives the value of the specified property for the formula name.

Please visit the official Wolfram Language Reference for more details and examples on core symbols.