HP 35
v2

1972

• 1
• Production : 1972
• LED 10+2
• 3 x NiCd
• USA


• The first scientific pocket calculator ever produced
• Sell price in 1972: $395 (about
  2000$ today)
• Version 2: no model indication on
  the front
• US version


• Additional information

HP 35
v3

1972

• Production : 1972 - 1975
• Display : LED 10+2
• Power : 3 x NiCd
• Made : USA


• Version 3: with "35" indication on
  the front
• German & French versions


• Additional information

HP 80
v1

1973

• 1
• Production : 1973
• Display : LED 10+2
• Power : 3 x NiCd
• Made : USA


• The first financial calculator, sold
  with a luxury transport case
• The first calculator with a function
  (orange) key
• Version 1: no model indication on
  the front


• Additional information
• Brochure
• Quick reference guide

HP 80
v2

1973

• Production : 1973 - 1978
• Display : LED 10+2
• Power : 3 x NiCd
• Made : Singapour


• Version 2: with model indication
  on the front

HP 45

1973

• Production : 1973 - 1976
• Display : LED 10+2
• Power : 3 x NiCd
• Made : Singapour


• The timer function is hidden.
• Preprogrammed conversion keys
• English & Spanish versions


• Additional information
• Brochure

1973

• Production : 1973 - 1976
• Display : LED 10
• Power : AC
• Made : USA


• Additional informations
• Transport case
• Brochure (PDF)
• Advertising

HP 55

1975

• 1
• Production : 1975 - 1977
• Display : LED 10+2
• Power : 3 x NiCd
• Made : Singapour


• Programmable calculator with
  volatile memory
• The calculator first with timer capabilities


• Additional information
• Brochure
• My programmable calculators page

HP 67

1976

• Production : 1976 - 1982
• Display : LED 10+2
• Power : 3 x NiCd
• Made : USA (#1)
• Made : Singapour (#2)
• Made : Brazil (#3)


• High-end programmable calculator
  from HP
• Improved version of the HP-65
• Equipped with a magnetic card
  reader/writer


• Additional information
• Brochure
• My programmable calculators page

HP 21

1976

• Production : 1975 - 1978
• Display : LED 10+2
• Power : 2 x AA
• Made : Singapour


• Additional information
• Brochure

HP 25C

1976

• 1
• Production : 1976 - 1978
• Display : LED 10+2
• Power : 2 x AA
• Made : Singapour


• Programmable. The first calculator
  with constant memory


• Additional information
• Brochure
• My programmable calculators page

HP 25

1977

• Production : 1975 - 1978
• Display : LED 10+2
• Power : 2 x AA
• Made : Singapour


• Additional information
• Brochure
• My programmable calculators page

HP 31E

1979

• Production : 1978 - 1980
• Display : LED 10+2
• Power : 2 x AA
• Made : Singapour


• Additional information

HP 32E

1982

• Production : 1978 - 1983
• Display : LED 10+2
• Power : 2 x AA
• Made : Singapour


• Additional information

HP 33E

1979

• Production : 1978 - 1982
• Display : LED 10+2
• Power : 2 x AA
• Made : Singapour


• Programmable


• Additional information
• My programmable calculators page

HP 38C

1981

• Production : 1979 - 1983
• Display : LED 10+2
• Power : 2 x AA
• Made : Singapour


• Business programmable
• Constant memory


• Additional information
• My programmable calculators page

HP 41C

1979

• 
• Production : 1979 - 1985
• Display : LED 12
• Power : 4 x LR1
• Made : USA


• Programmable. The first HP with a
  LCD display
• Comparable with a computer thanks his
  connectivity and peripherial possiblities


• My programmable calculators page
• Additional information

HP 41CV
v1

1981

• Production : 1980 - 1985
• Display : LED 12
• Power : 4 x LR1
• Made : Singapour


• Programmable. Ehanced HP-41C.
• Math-1, Statistics, X-Functions modules
• Fullnut screen


• My programmable calculators page
• Additional information

HP 41CV
v2

1987

• Production : 1985 - 1990
• Display : LED 12
• Power : 4 x LR1
• Made : Singapour


• Programmable
• Halfnut screen


• My programmable calculators page
• Additional information

HP 41CX

1984

• Production : 1983 - 1990
• Display : LED 12
• Power : 4 x LR1
• Made : Singapour


• Programmable


• My programmable calculators page
• Additional information

HP 10C

1982

• Production : 1982 - 1984
• Display : LCD 10
• Power : 3 x R76
• Made : USA


• Programmable


• My programmable calculators page
• Additional information

HP 16C

1982

• Production : 1982 - 1989
• Display : LCD 10
• Power : 3 x R76
• Made : USA


• Programmable. The first and only
  calculator designed for informaticians


• My programmable calculators page
• Additional information
• Advertising

HP 12C

1982

• 
• Production : 1981 - act.
• Display : LCD 10
• Power : 3 x R76
• Made : USA


• Financial calculator. Still commercialized
  today : 30 years long career !


• My programmable calculators page
• Additional information

HP 12C
Platinium
v1

2003

• Production : 2003
• Display : LCD 10
• Power : 1 x CR2032
• Made : China


• Financial calculator
• Platinium edition v1


• Additional information

HP 12C
Platinium
v2

2012

• Production : 2012
• Display : LCD 10
• Power : 2 x CR2032
• Made : China


• Financial calculator
• Platinium edition v2

HP 11C

1983

• Production : 1981 - 1989
• Display : LCD 10
• Power : 3 x R76
• Made : USA


• Programmable


• My programmable calculators page
• Additional information

HP 15C

1984

• Production : 1982 - 1989
• Display : LCD 10
• Power : 3 x R76
• Made : USA


• Programmable


• My programmable calculators page
• Additional information

HP 18C

1987

• 
• Production : 1986 - 1988
• Display : LCD 4x23
• Power : 3 x LR1
• Made : USA


• Programmable (1.2 Kb)
• The first foldable and algebric
  HP calculator


• My programmable calculators page
• Additional information

HP 28C

1987

• 
• Production : 1987 - 1988
• Display : LCD 4x23
• Power : 3 x LR1
• Made : USA


• Programmable (2 Kb). The first HP
  graphical calculator and the first to
  be able to solve symbolic equations
• Fast replaced with 28S model


• My programmable calculators page
• Additional information

HP 28S

1989

• Production : 1988 - 1992
• Display : LCD 4x23
• Power : 3 x LR1
• Made : USA


• Programmable


• My programmable calculators page
• Additional information

HP 19B

1989

• Production : 1988 - 1990
• Display : LCD 4x23
• Power : 3 x LR1
• Made : USA


• Programmable


• My programmable calculators page

HP 19B II

1998

• Production : 1990 - 2001
• Display : LCD 4x23
• Power : 3 x LR1
• Made : Malaysia


• Programmable business calculator


• My programmable calculators page

HP 17B

1988

• Production : 1988 - 1990
• Display : LCD 2x12
• Power : 3 x LR76
• Made : USA


• Business calculator
  
• Additional information

HP 22S

1988

• Production : 1988 - 1991
• Display : LCD 2x22
• Power : 3 x LR76
• Made : USA


• Scientific calculator


• Additional information

HP 27S

1988

• Production : 1988 - 1991
• Display : LCD 2x22
• Power : 3 x LR76
• Made : USA


• Scientific
• First scientific HP to use algebraic
  entry
• With timer and beeper


• Additional information

HP 32S
v1

1988

• Production : 1988 - 1991
• Display : LCD 12
• Power : 3 x LR76
• Made : Singapour


• Programmable
• Version 1 display


• My programmable calculators page
• Additional information

HP 32S
v1

1991

• Production : 1988 - 1991
• Display : LCD 12
• Power : 3 x LR76
• Made : Singapour


• Programmable
• Version 2 display


• My programmable calculators page
• Additional information

HP 32SII
v2

1991

• Production : 1991 - 2002
• Display : LCD 12
• Power : 3 x LR76
• Made : Singapour


• Programmable
• Version 1 shape


• My programmable calculators page
• Additional information

HP 10B
v1

1989

• Production : 1989 - 2000
• Display : LCD 10
• Power : 3 x LR76
• Made : USA


• Business calculator
• Orange labels

HP 10B
v2

2000

• Production : 2000
• Display : LCD 10
• Power : 3 x LR76
• Made : Indonesia


• Business calculator
• Teal labels

HP 14B

1989

• Production : 1989
• Display : LCD 12
• Power : 3 x LR76
• Made : USA


• Business calculator
• HP's 50th anniversary edition


• Additional information

HP 20S
v1a

1988

• Production : 1988 - 2003
• Display : LCD 12
• Power : 3 x LR76
• Made : USA


• Programmable
• Same as v1b but metalized
  serigraphy


• Additional information
• My programmable calculators page

HP 20S
v1b

1994

• Production : 1988 - 2003
• Display : LCD 12
• Power : 3 x LR76
• Made : Singapour


• Programmable
• Same as v1a but white serigraphy

HP 20S
v2

2001

• Production : 1988 - 2003
• Display : LCD 12
• Power : 3 x LR76
• Made : Singapour


• Programmable

HP 21S

1993

• Production : 1989 - 1993
• Display : LCD 12
• Power : 3 x AAA
• Made : Singapour


• Programmable


• Additional information
• My programmable calculators page

HP 17BII

1994

• Production : 1990 - 2003
• Display : LCD 2x12
• Power : 3 x LR76
• Made : Singapour


• Business calculator

HP 48S

1989

• Production : 1989 - 1993
• Display : LCD 8x23
• Power : 3 x AAA
• Made : Singapour


• Graphical, programmable


• My programmable calculators page

HP 48G

1993

• Production : 1993 - 2003
• Display : LCD 8x23
• Power : 3 x AAA
• Made : Singapour


• Graphical, programmable
• 32 Kb RAM


• Additional information
• My programmable calculators page

HP 48GX

1993

• Production : 1993 - 2003
• Display : LCD 8x23
• Power : 3 x AAA
• Made : Singapour


• Graphical, programmable
• Same as HP-48G but with 128 Kb
  and extension ports


• My programmable calculators page

HP 49G

1999

• Production : 1999 - 2003
• Display : LCD 8x23 (131x64)
• Power : 3 x AAA
• Made : Indonesia


• Graphical, programmable
• Same connectivity as 48 series
• First HP to use flash memory


• Additional information
• My programmable calculators page

HP 49G+

2003

• Production : 2003 - 2008
• Display : LCD 8x23
• Power : 3 x AAA
• Made : China :(


• Graphical, programmable
• USB, SD cards and IrDA ports


• Additional information
• My programmable calculators page

HP 50G

2006

• Production : 2006 - 2015
• Display : LCD 8x23 (131x80)
• Power : 3 x AAA
• Made : China :(


• Graphical, programmable
• SD cards and IrDA ports, TTL-level
  serial


• Additional information
• My programmable calculators page

HP 35s

2007

• Production : 2007 - act.
• Display : LCD 2x14
• Power : 2 x CR2120
• Made : China :(


• Programmable scientific
• Created to commemorate the 35th
  anniversary of the HP-35.


• Additional information
• My programmable calculators page