Browse every calculator
Every model we cover, from the HP 12C and the Voyagers to the HP-41, the 42S, the 48 series and Texas Instruments’ programmables, plus the HP-41 plug-in modules. Filter by brand, type, launch year, RPN, programs, memory and display, then open any one for its history, what to check and what should come with it.
31 models · page 1 of 2
HP
FinancialHP 12C
- Launched
- 1981
- Entry and display
- RPN · LCD
- Features
- Programmable · Keeps memory
$15–$35 typical ask
439 on eBay
HP
FinancialHP 12C Platinum
- Launched
- 2003
- Entry and display
- RPN or algebraic · LCD
- Features
- Programmable · Keeps memory
$30–$50 typical ask
108 on eBay
HP
FinancialHP 12C Platinum 25th Anniversary
- Launched
- 2006
- Entry and display
- RPN or algebraic · LCD
- Features
- Programmable · Keeps memory
$35–$50 typical ask
41 on eBay
HP
FinancialHP 12C Prestige
- Launched
- 2008
- Entry and display
- RPN or algebraic · LCD
- Features
- Programmable · Keeps memory
Specs and what to check →
HP
VoyagerHP 15C Collector's Edition
- Launched
- 2023
- Entry and display
- RPN · LCD
- Features
- Programmable · Keeps memory
$170–$240 typical ask
2 on eBay
HP
VoyagerHP 15C Limited Edition
- Launched
- 2011
- Entry and display
- RPN · LCD
- Features
- Programmable · Keeps memory
$280–$600 typical ask
8 on eBay
HP
FinancialHP 17BII
- Launched
- 1990
- Entry and display
- RPN or algebraic · LCD
- Features
- Keeps memory
$25–$35 typical ask
45 on eBay
HP
RPN scientificHP 32SII
- Launched
- 1991
- Entry and display
- RPN · LCD
- Features
- Programmable · Keeps memory
$100–$170 typical ask
28 on eBay
HP
GraphingHP 48G
- Launched
- 1993
- Entry and display
- RPN · LCD
- Features
- Programmable · Keeps memory
$100–$140 typical ask
28 on eBay
HP
GraphingHP 48GX
- Launched
- 1993
- Entry and display
- RPN · LCD
- Features
- Programmable · Keeps memory · Plug-ins
$230–$340 typical ask
45 on eBay
HP
ModuleHP 82160A HP-IL Module
- Launched
- 1981
- Part number
- 82160A
- Features
- Fits the 41C, 41CV and 41CX
Specs and what to check →
HP
ModuleHP 82180A Extended Functions/Memory Module
- Launched
- 1981
- Part number
- 82180A
- Features
- Fits the 41C and 41CV
$80–$120 typical ask
3 on eBay
HP
ModuleHP 82182A Time Module
- Launched
- 1982
- Part number
- 82182A
- Features
- Fits the 41C and 41CV
$140–$190 typical ask
7 on eBay
HP
VoyagerHP-10C
- Launched
- 1982
- Entry and display
- RPN · LCD
- Features
- Programmable · Keeps memory
$180–$200 typical ask
4 on eBay
HP
VoyagerHP-11C
- Launched
- 1981
- Entry and display
- RPN · LCD
- Features
- Programmable · Keeps memory
$80–$130 typical ask
58 on eBay
HP
VoyagerHP-15C (original)
- Launched
- 1982
- Entry and display
- RPN · LCD
- Features
- Programmable · Keeps memory
$95–$200 typical ask
45 on eBay
HP
VoyagerHP-16C Computer Scientist
- Launched
- 1982
- Entry and display
- RPN · LCD
- Features
- Programmable · Keeps memory
$160–$280 typical ask
33 on eBay
HP
RPN programmableHP-25
- Launched
- 1975
- Entry and display
- RPN · LED
- Features
- Programmable
$170–$310 typical ask
23 on eBay
HP
RPN scientificHP-27
- Launched
- 1976
- Entry and display
- RPN · LED
$370–$460 typical ask
4 on eBay
HP
GraphingHP-28S
- Launched
- 1988
- Entry and display
- RPN · LCD
- Features
- Programmable · Keeps memory
$80–$140 typical ask
31 on eBay
HP
RPN programmableHP-29C
- Launched
- 1977
- Entry and display
- RPN · LED
- Features
- Programmable · Keeps memory
$440–$450 typical ask
1 on eBay
HP
RPN programmableHP-34C
- Launched
- 1979
- Entry and display
- RPN · LED
- Features
- Programmable · Keeps memory
$370–$380 typical ask
1 on eBay
HP
ModuleHP-41 Financial Decisions Pac
- Launched
- 1980
- Part number
- 00041-15004
- Features
- Fits the 41C, 41CV and 41CX
$30–$65 typical ask
12 on eBay
HP
ModuleHP-41 Math Pac
- Launched
- 1979
- Part number
- 00041-15003
- Features
- Fits the 41C, 41CV and 41CX
$35–$45 typical ask
14 on eBay