| HP-41C soft. |  Reversible Polytropic Process | 197? | Hewlett-Packard |
| HP 9845 Series pack. | Review of Kinematics Model 32.9003 | 198? | Hewlett-Packard |
| HP-41C soft. | Reynolds Number | 197? | Hewlett-Packard |
| HP-41C soft. | RF Path Loss dB | 197? | Hewlett-Packard |
| HP 9845 Series pack. | RF Shielding Effectiveness Model 11.9523 | 198? | Hewlett-Packard |
| HP 9835 Series pack. | RF Test System Operating Software 9835/45 Model 31.92001 | 198? | Hewlett-Packard |
| HP 9845B/C Option ROM | RJE Bisync Model 09845-67986 | 198? | Hewlett-Packard |
| HP-41C soft. | Roggenkamp Specifications | 197? | Hewlett-Packard |
| HP 9810/20 magnetic card | ROM Test Model 09820-90033 | 197? | Hewlett-Packard |
| HP-41C soft. | Root Finder | 197? | Hewlett-Packard |
| HP 9845 Series pack. | Root Finder Model 21.9510 | 198? | Hewlett-Packard |
| HP-67 soft. | Roots of Polynomials | 197? | Hewlett-Packard |
| HP-83/85 disk | Roots of Polynomials Model 200-0032 | 198? | Hewlett-Packard |
| HP-83/85 disk | Roots or Fixed Points of Nonlinear Functions Model 200-0035 | 198? | Hewlett-Packard |
| HP 9845 Series pack. | Rotate and Dump Graphics Display to Internal Printer Model 62.9511 | 198? | Hewlett-Packard |
| HP-41C soft. | Routh Test for System Stability | 197? | Hewlett-Packard |
| HP-41C soft. | RPN Primer | 197? | Hewlett-Packard |
| HP 2100 Series punched tape | RTE 2767 LINE PRINTER DRIVER DVR12 Model 24169-60001 | 197? | Hewlett-Packard |
| HP 2100 Series punched tape | RTE 7970 MAG TAPE DRIVER DVR23 Model 13025-60001 | 197? | Hewlett-Packard |
| HP 2100 Series punched tape | RTE ASSEMBLER Model 20874-60001 | 197? | Hewlett-Packard |
| HP 2100 Series punched tape | RTE DISC DRIVER DVR31 Model 29013-60001 | 197? | Hewlett-Packard |
| HP 2100 Series punched tape | RTE DRIVER %DVR15 7261A CARD READER Model 09601-16021 | 197? | Hewlett-Packard |
| HP 2100 Series punched tape | RTE DVR62, DVR43 SOURCE | 197? | Hewlett-Packard |
| HP 2100 Series punched tape | RTE EDITOR Model 20805-60001 | 197? | Hewlett-Packard |
| HP 2100 Series punched tape | RTE FORTRAN Model 20875-60001 | 197? | Hewlett-Packard |
| HP 2100 Series punched tape | RTE HIGH SPEED PUNCH DRIVER DVR02 Model 20745-60001 | 197? | Hewlett-Packard |
| HP 2100 Series punched tape | RTE MARK SENSE DRIVER DVR15 12602B Model 20821-60001 | 197? | Hewlett-Packard |
| HP 2100 Series punched tape | RTE TAPE READER DRIVER DVR01 Model 20753-60001 | 197? | Hewlett-Packard |
| HP 2100 Series punched tape | RTE TELEPRINTER DRIVER DVR00 Model 20741-60001 | 197? | Hewlett-Packard |
| HP 2100 Series punched tape | RTE/DOS ALGOL Model 24129-60001 | 197? | Hewlett-Packard |
| HP 2100 Series punched tape | RTE/DOS DUPLICATOR PROGRAM Model 22252-80001 | 197? | Hewlett-Packard |
| HP 2100 Series punched tape | RTE/DOS FORTRAN FORMATTER BINARY Model 24153-60001 | 197? | Hewlett-Packard |
| HP 2100 Series punched tape | RTE/DOS FORTRAN IV LIBRARY Model 24152-60001 | 197? | Hewlett-Packard |
| HP 2100 Series punched tape | RTE/DOS FORTRAN IV Model 24177-60001 | 197? | Hewlett-Packard |
| HP 2100 Series punched tape | RTE/DOS RELOCATABLE LIBRARY FLOATING POINT Model 24248-60001 | 197? | Hewlett-Packard |
| HP 2100 Series punched tape | RTE/DOS RELOCATABLE LIBRARY NON-EAU Model 14150-60001 | 197? | Hewlett-Packard |
| HP 2100 Series punched tape | RTE/DOS RELOCATABLE LIBRARY Model 24151-60001 | 197? | Hewlett-Packard |
| HP 9845 Series pack. | Rufus the Text Editor Model 72.9510 | 198? | Hewlett-Packard |
| HP-41C soft. | Rule of 78's | 1978 | Hewlett-Packard |
| HP-41C soft. | Run Test for Randomness | 197? | Hewlett-Packard |
