If you are looking for the InstruCalc 9.0 manual , there isn't a single "standard" official PDF published under that exact name, but there are several highly detailed technical resources and guides available. Essential Resources for InstruCalc 9.0 InstruCalc 9.0 Quickstart Guide
InstruCalc 9.0 Technical Brochure (ImageGrafix): Outlines the 70+ sizing routines included in version 9.0, covering control valves, flow elements, and relief devices. instrucalc 9.0 manual pdf
Dr. Elara Voss stared at the blinking amber light on her console. The refinery’s flow control loop had been drifting for three hours, and the junior engineers were drowning in spreadsheets. If you are looking for the InstruCalc 9
Here are some tips and best practices for using InstruCalc 9.0: Units and formats : Set units and formats for calculations