• Brand: HP (Hewlett-Packard)
• Item: HP-41C Petroleum Fluids Pac application module manual for HP-41 series programmable calculators
• Format: Spiral-bound original printed manual in English
• Publication details: March 1982 edition, manual/part number 00041-90288 Rev. B, Corvallis Division, printed in U.S.A.
• Contents: Introduction, inserting and removing application modules, format of user instructions, a word about program usage, and the Petroleum Engineering Unit Management System with default units tables.
• Programs covered: Z factor for hydrocarbon gases, gas isothermal compressibility, gas formation volume factor, gas viscosity, pseudocritical temperature and pressure from gas gravity, and gas properties from composition.
• Additional programs: oil isothermal compressibility, oil formation volume factor, oil viscosity, gas-oil ratio, bubble point pressure, two-phase formation volume factor, water isothermal compressibility, water formation volume factor, water viscosity, gas-water ratio, rock compressibility, and total isothermal compressibility.
• Technical resources: descriptions of each program, governing equations, ranges of validity, references, detailed user instructions, worked example problems, and keystroke listings for the HP-41 calculator.
• Appendices: Program listings and flowcharts, Appendix A program and calculation subroutine data, Appendix B register contents and flag usage, and Appendix C input and output variables.
• Compatibility: For the HP-41 Petroleum Fluids Pac application module used with HP-41 series calculators.
• Keywords: HP 41C Petroleum Fluids Pac, calculator manual, petroleum engineering, oil and gas reservoir fluids, vintage HP documentation, programmable calculator reference.

• Condition: Pre-owned vintage HP spiral-bound manual with only mild cover rubs, edge and corner bumps, and surface scuffs, especially on the front image panel and back cover. Plastic spiral binding is intact with no broken coils and the manual lies flat. Interior pages are clean, complete, and legible with no writing, highlighting, or loose sheets. Manual only; calculator, application module, and any overlays or accessories are not included. The illustrations and text are as crisp and clear as the day this jewel rolled off the press.

• Ships from a Pet-Free and Smoke-Free Home.

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