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HP-11C
	HP-11C
Type	Programmable scientific
Manufacturer	Hewlett-Packard
Introduced	1981
Discontinued	1989
Cost	USD 135
Calculator
Entry mode	RPN
Display type	LCD seven-segment display
Display size	10 digits
CPU
Processor	HP Nut core (1LF5 / 1LM2 / 1LQ9)
Programming
Programming language(s)	Keystroke programmable (fully merged)
Memory register	0…20 registers (R0…R9, R.0…R.9) plus RI, X, Y, Z, T, LAST X
Program steps	63…203 lines
Other
Power consumption	0.25 mW

HP-10C
	HP-10C
Type	Programmable scientific
Manufacturer	Hewlett-Packard
Introduced	1982
Discontinued	1984
Cost	80 $USD
Calculator
Entry mode	RPN
Display type	LCD seven-segment display
Display size	10 digits
CPU
Processor	HP Nut core (1LF5)
Programming
Programming language(s)	Keystroke programmable (fully merged)
Memory register	0…9 registers (R0…R9) plus X, Y, Z, T, LAST X
Program steps	9…79 lines
Other
Power consumption	0.25 mW

The Hewlett-Packard Voyager series of calculators were introduced by Hewlett-Packard in 1981.^[4] All members of this series are programmable, use Reverse Polish Notation, and feature continuous memory. Nearly identical in appearance, each model provided different capabilities and was aimed at different user markets.

Models

The HP calculators Voyager series consisted of five models, some of which were manufactured in several variants (with years of production):

HP-10C – basic scientific calculator (1982–1984).
HP-11C – mid-range scientific calculator (1981–1989).
HP-12C – business/financial calculator (1981–present).
HP-15C – advanced scientific calculator (1982–1989, 2011, 2023–present).
HP-16C – computer programmer's calculator (1982–1989).

HP-10C

The HP-10C is the last and lowest-featured calculator in this line, even though its number would suggest an earlier origin. The 10C was a basic scientific programmable calculator. While a useful general purpose RPN calculator, the HP-11C offered twice as much for only a slight increase in price. Designed to be an introductory calculator, it was still costly compared to the competition, and many looking at an HP would just step up to the better HP-11C. Poor sales led to a very short market life, making it one of the most difficult of the series to find today.

HP-11C

The HP-11C is a mid-range scientific programmable calculator.

HP-12C

The HP-12C is a popular financial calculator. It was such a successful model that Hewlett-Packard redesigned it from scratch,^[1] added several new functions, and introduced it as the HP 12c Platinum in 2003 as well as the HP 12c Prestige. Over the course of years, several anniversary editions of the calculator were produced as well.

The HP-12C is HP's longest and best-selling product, in continual production since its introduction in 1981.^[4]

HP-15C

The HP-15C is a high-end scientific programmable with a root-solver and numerical integration, produced between 1982 and 1989. It is also able to handle complex numbers and matrix operations. Although long being discontinued its continued popularity among users triggered Hewlett-Packard to offer a HP 15c Limited Edition remake of the calculator in 2011 and a HP 15C Collector's Edition in 2023.

HP-16C

The HP-16C is a computer programmer's calculator, designed to assist in debugging. It can display numbers in hexadecimal, decimal, octal and binary, and convert numbers from one base to another. A number of specialized functions are provided to assist the programmer, including left- and right-shifting, masking, and bitwise logical operations. HP has (as of 2015) never made another programmer's calculator, but has incorporated the 16C's functions in later calculator models.

Features

Arithmetic

Hewlett-Packard retained the numerical analyst William Kahan of UC Berkeley, the architect of the IEEE 754 standard for floating-point arithmetic, to design the numerical algorithms implemented by the calculators.^[5]^[6] He also wrote parts of the manuals.

Programming

The HP Voyager series calculator are keystroke programmable, meaning that it can remember and later execute sequences of keystrokes to solve particular problems of interest to the user. These keystroke programs, in addition to performing any operation normally available on the keyboard, can also make use of conditional and unconditional branching and looping instructions, allowing programs to perform repetitive operations and make decisions.

The available programming features differentiate between the various HP Voyager series calculator systems.

Function	HP-10C	HP-11C	HP-12C	HP-15C	HP-16C
BSP / ← ^{[F 1]}	No	Yes	No	Yes	Yes
LBL^{[F 2]}	No	Yes	No	Yes	Yes
GSB/RTN^{[F 3]}	No	Yes	No	Yes	Yes
x≤y, x=0	Yes	Yes	Yes	Yes	Yes
x=y, x≠y	No	Yes	No	Yes ^{[F 4]}	Yes
x<0, x≠0, x>y, x>0	No	Yes	No	Yes ^{[F 4]}	Yes
x<y, x≤0, x≥y, x≥0	No	No	No	Yes ^{[F 4]}	No
DSE, ISG^{[F 5]}	No	Yes	No	Yes	No
DSZ, ISZ^{[F 5]}	No	No	No	No^{[F 6]}	Yes
SF, CF, F?	No	Yes	No	Yes	Yes
I (I)^{[F 7]}	No	Yes	No	Yes	Yes

^ Without BSP (backspace) programs can only be edited by overwriting existing steps.
^ Without LBL (Label) goto commands can reference only absolute program steps.
^ Without GSB (Go Subroutine) / RTN (Return from Subroutine) one cannot write subroutines.
^ ^a ^b ^c Available via the g TEST n (indirect) function
^ ^a ^b Without DSZ/DSE (Decrement and Skip) and ISZ/ISG (Increment and Skip) writing loops is difficult.
^ It is available in HP-15C Collector's Edition after turning it into undocumented "16" (HP-16C) mode.
^ Without indirect addressing only the first 20 (0…19) register can be accessed. Also the programming model is not turing complete.

Legacy

The HP-12C and its derivatives remains in widespread use today and is still available from Hewlett-Packard. The long-discontinued HP-15C was re-released in a "Limited Edition" in 2011 that has again been discontinued. A Collector's Edition was released in 2023.

Emulators

Official emulators for the 12C and 15C are commercially available from Hewlett-Packard for Android^[7] and iOS^[8] devices.

Simulators

There are many calculators simulating software, imitating various HP calculators, including Voyager series devices.^[9] The WRPN Calculator, a public domain open-source HP-16C simulator, is one of the oldest yet active software project of the such type.^[10]^[11]

Clones

In 2011, the continued popularity of the Voyager series among users prompted SwissMicros (originally called RPN-Calc) to produce a series of credit-card-sized calculators looking like miniature versions of their HP equivalents and running the original HP firmware in an emulator on a modern calculator hardware. The series consisted of the DM10, DM11, DM12, DM15 and DM16.^[12] All calculators used the same hardware, but differ in keyboard and firmware (which can be changed with an upgrade port). After the introduction of the larger DM15L, DM41L and DM16L in 2015, the DM11L was added in January 2016 with the DM12L following in February. A limited production run for a DM10L was planned for 2019.^[13]^[14]

References

^ ^a ^b ^c Smith, Eric (2009-07-28). "HP Voyager Calculator Variants". Retrieved 2015-11-20.
^ ^a ^b Hewlett-Packard HP-10C Owner's Handbook (PDF) (1 ed.). Corvallis, Oregon, USA: Hewlett-Packard Company, Corvallis Division. February 1982. HP part-number 00010-90025. Archived (PDF) from the original on 2015-10-05.
^ ^a ^b Hewlett-Packard HP-11C Owner's Handbook and Problem-Solving Guide (PDF) (G ed.). Corvallis, Oregon, USA: Hewlett-Packard Company, Corvallis Division. November 1985. HP part-number 00011-90001. Archived (PDF) from the original on 2015-10-05.
^ ^a ^b Furr, Richard (2003-01-22). "HP Calculators by Date of Introduction". The Calculator Reference.
^ Kahan, William Morton (December 1979). "Personal Calculator Has Key to Solve Any Equation f(x) = 0" (PDF). Hewlett-Packard Journal. 30 (12): 20, 26. Retrieved 2008-11-14.
^ Kahan, William Morton (August 1980). "Handheld Calculator Evaluates Integrals" (PDF). Hewlett-Packard Journal. 31 (8): 23, 32. Archived from the original (PDF) on 2019-06-14. Retrieved 2008-11-14.
^ "Hewlett-Packard ships official HP 15c app for Android | Hacker News".
^ "HP reincarnates calculators on iPhone, Windows".
^ "HP Calculator Simulations". www.hpmuseum.org. Retrieved 2024-09-06.
^ "WRPN 16-bit 1.0 - detailed information". www.hpcalc.org. Retrieved 2024-09-07.
^ "HP-related Programs for the PC". www.hpcalc.org. Retrieved 2024-09-07.
^ "SwissMicros.com". Retrieved 2013-06-29.
^ "Attention collectors! - Page 7 - SwissMicros Calculator Forum".
^ "[DM10L] Coming soon! - SwissMicros Calculator Forum".

External links

Hicks, David G. "HP-10C Series Technology and Packaging". Museum of HP Calculators.
Smith, Eric. "Hewlett-Packard Calculators".
MyCalcDB: "HP-10C". "HP-11C".
Markstein, Howard W. (March 1982). "A look inside Hewlett-Packard's HP-11C". Electronic Packaging and Production Magazine.
SwissMicros Manufacturer of HP calculator clones.

[7] Without BSP (backspace) programs can only be edited by overwriting existing steps.

[8] Without LBL (Label) goto commands can reference only absolute program steps.

[9] Without GSB (Go Subroutine) / RTN (Return from Subroutine) one cannot write subroutines.

[hp15cmp-10] Available via the g TEST n (indirect) function

[loop-11] Without DSZ/DSE (Decrement and Skip) and ISZ/ISG (Increment and Skip) writing loops is difficult.

[12] It is available in HP-15C Collector's Edition after turning it into undocumented "16" (HP-16C) mode.

[13] Without indirect addressing only the first 20 (0…19) register can be accessed. Also the programming model is not turing complete.

[Smith_2009-1] Smith, Eric (2009-07-28). "HP Voyager Calculator Variants". Retrieved 2015-11-20.

[HP-10C_1982-2] Hewlett-Packard HP-10C Owner's Handbook (PDF) (1 ed.). Corvallis, Oregon, USA: Hewlett-Packard Company, Corvallis Division. February 1982. HP part-number 00010-90025. Archived (PDF) from the original on 2015-10-05.

[HP-11C_1985-3] Hewlett-Packard HP-11C Owner's Handbook and Problem-Solving Guide (PDF) (G ed.). Corvallis, Oregon, USA: Hewlett-Packard Company, Corvallis Division. November 1985. HP part-number 00011-90001. Archived (PDF) from the original on 2015-10-05.

[date-4] Furr, Richard (2003-01-22). "HP Calculators by Date of Introduction". The Calculator Reference.

[Kahan_1979-5] Kahan, William Morton (December 1979). "Personal Calculator Has Key to Solve Any Equation f(x) = 0" (PDF). Hewlett-Packard Journal. 30 (12): 20, 26. Retrieved 2008-11-14.

[Kahan_1980-6] Kahan, William Morton (August 1980). "Handheld Calculator Evaluates Integrals" (PDF). Hewlett-Packard Journal. 31 (8): 23, 32. Archived from the original (PDF) on 2019-06-14. Retrieved 2008-11-14.

[14] "Hewlett-Packard ships official HP 15c app for Android | Hacker News".

[15] "HP reincarnates calculators on iPhone, Windows".

[16] "HP Calculator Simulations". www.hpmuseum.org. Retrieved 2024-09-06.

[17] "WRPN 16-bit 1.0 - detailed information". www.hpcalc.org. Retrieved 2024-09-07.

[18] "HP-related Programs for the PC". www.hpcalc.org. Retrieved 2024-09-07.

[19] "SwissMicros.com". Retrieved 2013-06-29.

[20] "Attention collectors! - Page 7 - SwissMicros Calculator Forum".

[21] "[DM10L] Coming soon! - SwissMicros Calculator Forum".

[1]

[2]

[3]

[4]

[5]

[6]

[F 1]

[F 2]

[F 3]

[F 4]

[F 5]

[F 6]

[F 7]

[7]

[8]

[9]

[10]

[11]

[12]

[13]

[14]

PROFILPELAJAR.COM

Hewlett-Packard Voyager series

Models

HP-10C

HP-11C

HP-12C

HP-15C

HP-16C

Features

Arithmetic

Programming

Legacy

Emulators

Simulators

Clones

See also

References

Further reading

External links

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