900-OPEN-VERTEX
900-OPEN-VERTEX opens the Vertex Quantum Database files and prepares them for use. This routine must be called before either 900-CLOSE-VERTEX or 900-CALC-VERTEX-TAX is called.
900-OPEN-VERTEX opens the Vertex Quantum Database files and prepares them for use. This routine must be called before either 900-CLOSE-VERTEX or 900-CALC-VERTEX-TAX is called.