| HP-41C soft. |  Compound Periods Diff. from Pay Periods | 1978 | Hewlett-Packard |
| HP-41C soft. | Compressive Buckling | 197? | Hewlett-Packard |
| HP-83/85 disk | Compressive Buckling Model 100-0017 | 198? | Hewlett-Packard |
| HP 9845 Series pack. | Computation of the Elements of a Triangle, Given Its Vertex Model 21.9018 | 198? | Hewlett-Packard |
| HP 9845 Series pack. | Computation of the Real U-Value of a Wall Model 14.9006 | 198? | Hewlett-Packard |
| HP 9845 Series pack. | Compute Best Fit nth Order Polynomial Model 21.9507 | 198? | Hewlett-Packard |
| HP 9845 Series pack. | Compute Wavefront Errors for Parabolodial Mirror Model 32.9502 | 198? | Hewlett-Packard |
| HP 9845 Series pack. | Computer-Aided Presentations (9845) Model 79.22005 | 198? | Hewlett-Packard |
| HP 9845 Series pack. | Computes and Plots the Radial Part of Hydrogen-like Wave Functions Model 31.9001 | 198? | Hewlett-Packard |
| HP 9845 Series pack. | Computes Debye or Einstein Function Model 32.9001 | 198? | Hewlett-Packard |
| HP 9845 Series pack. | Computes Mean, Standard Deviation, and Standard Scores an Test Results Model 22.9008 | 198? | Hewlett-Packard |
| HP 9845 Series pack. | Computes the Area Enclosed in any Polygon Model 21.9016 | 198? | Hewlett-Packard |
| HP 9845 Series pack. | Computes the Area Under a Curve Model 21.9002 | 198? | Hewlett-Packard |
| HP 9845 Series pack. | Computes the Best Fit Gaussian Distribution Model 22.9505 | 198? | Hewlett-Packard |
| HP 9845 Series pack. | Computes the Best Fit Log-Normal Distribution Model 22.9502 | 198? | Hewlett-Packard |
| HP 9845 Series pack. | Computes Trig Functions for Complex Arguments Model 21.9008 | 198? | Hewlett-Packard |
| HP-83/85 disk | Computing an Ergodic Markov Chain Model 300-0026 | 198? | Hewlett-Packard |
| HP 9845 Series cass. | Concrete Beam Design Model 09845-12810 | 197? | Hewlett-Packard |
| HP 9830 Series cass. | Concrete Column Design Model 09839-74250 | 197? | Hewlett-Packard |
| HP-41C soft. | Concrete Volume | 197? | Hewlett-Packard |
| HP-41C soft. | Conduit Flow | 197? | Hewlett-Packard |
| HP-41C soft. | Conduit Flow | 197? | Hewlett-Packard |
| HP-67 soft. | Conduit Flow | 197? | Hewlett-Packard |
| HP-83/85 disk | Confidence Limits for a Set of Data Model 300-0027 | 198? | Hewlett-Packard |
| HP-83/85 disk | Confidence Limits Model 300-0017 | 198? | Hewlett-Packard |
| HP 2100 Series punched tape | CONFIGURED INVERSE ASSEMBLER MRLP-LOADR | 197? | Hewlett-Packard |
| HP 2100 Series punched tape | CONFIGURED INVERSE ASSEMBLER Model 22013 | 197? | Hewlett-Packard |
| HP 2100 Series punched tape | CONFIGURED RTGEN | 1973 | Hewlett-Packard |
| HP 2100 Series punched tape | CONFIGURED SIO TAPE TTY 13, HSR 15, HSP 16, MT 17 | 1973 | Hewlett-Packard |
| HP-41C soft. | Conservation of Energy | 197? | Hewlett-Packard |
| HP-41C soft. | Constant Payment to Principal Loan | 1978 | Hewlett-Packard |
| HP-41C soft. | Contact Lens / Telescope Calculations | 197? | Hewlett-Packard |
| HP 9845 Series cass. | Continuous Frame Analysis Model 09845-12760 | 197? | Hewlett-Packard |
| HP-83/85 disk | Contour Plot Model 200-0015 | 198? | Hewlett-Packard |
| HP 2100 Series punched tape | CONVERSATIONAL EDITOR Model 22285-80001 | 197? | Hewlett-Packard |
| HP 9845 Series pack. | Conversion of an Algebraic Expression to Polish Notation Model 63.9003 | 198? | Hewlett-Packard |
| HP 9845 Series pack. | Conversion of Inches to Gallons for a Horizontal Cylindrical Tank Model 72.9504 | 198? | Hewlett-Packard |
| HP 9845 Series pack. | Conversion of Numbers from One Base to Another Model 21.9006 | 198? | Hewlett-Packard |
| HP 9845 Series pack. | Conversion: Reflection Coefficient to Equivalent Circuit Data Model 11.9515 | 198? | Hewlett-Packard |
| HP 9845 Series pack. | Conversions Between Calendar Dates and Julian Dates (Base Year 1981) Model 72.9519 | 198? | Hewlett-Packard |
