Comparison of HP graphing calculators

A graphing calculator is a class of hand-held calculator that is capable of plotting graphs and solving complex functions. While there are several companies that manufacture models of graphing calculators, Hewlett-Packard is a major manufacturer.

The following table compares general and technical information for Hewlett-Packard graphing calculators:

Model Processor Memory Display Input method Stack Programming languages Computer algebra system Character set Sound Connectivity Power supply Release year Predecessors Successors

HP Prime G2 (2AP18AA)		 528 MHz NXP i.MX 6ULL MCIMX6Y2 (Cortex A7 core, ARMv7 architecture) 256 MB RAM, 512 MB flash 320×240 pixel 16-bit color multi-touch TFT LCD with backlight Algebraic, Entry RPN Fixed (128 level) PPL Xcas/Giac-based Unicode No USB (Micro-AB) USB-OTG USB-rechargeable 3.7 V/2000 mAh/7.4 Wh Li-Ion, USB 2018–present HP Prime G1 None

HP Prime G1 (NW280AA, G8X92AA)		 400 MHz Samsung S3C2416XH-40 (ARM926EJ core, ARMv5 architecture) 32 MB RAM, 256 MB flash 320×240 pixel 16-bit color multi-touch TFT LCD with backlight Algebraic, Entry RPN Fixed (128 level) PPL Xcas/Giac-based Unicode No USB (Micro-AB) (USB-OTG only with G8X92AA model) USB-rechargeable 3.7 V/1500 mAh/5.55 Wh Li-Ion (compatible: Samsung Galaxy S3 2200 mAh), USB 2013–2017 HP 39gII, (HP 50g) HP Prime G2

HP 50g blue (NW240AA)		 75 MHz (203 MHz) Samsung S3C2410A[1] (ARM920T core, ARMv4T architecture) 512 KB RAM, 2 MB flash, expandable via 2 GB SD card 131×80 pixel monochrome LCD Entry RPN, Algebraic Dynamic RPL, Algebraic RPL Erable-based 8-bit RPL character set (with euro sign[2][3][4]) Buzzer USB (Mini-B), IrDA, 1×4-pin 3.3 V TTL serial (RS-232 via active converter) 4×1.5 V (6 V) AAA, 1×3 V CR2032, USB 2009–2012[5][6][7] HP 50g (hp 49g+) (HP Prime)

HP 50g black (F2229A)		 75 MHz (203 MHz) Samsung S3C2410A[1] (ARM920T core, ARMv4T architecture) 512 KB RAM, 2 MB flash, expandable via 2 GB SD card 131×80 pixel monochrome LCD Entry RPN, Algebraic Dynamic RPL, Algebraic RPL Erable-based 8-bit RPL character set (with euro sign[2][3][4]) Buzzer USB (Mini-B), IrDA, 1×4-pin 3.3 V TTL serial (RS-232 via active converter) 4×1.5 V (6 V) AAA, 1×3 V CR2032, USB 2006–2015[5][6][7] hp 49g+ (HP Prime)

hp 49g+ (F2228A)		 75 MHz (203 MHz) Samsung S3C2410X01 (ARM920T core, ARMv4T architecture) 512 KB RAM, 2 MB flash, expandable via 2 GB SD card 131×80 pixel monochrome LCD Entry RPN, Algebraic Dynamic RPL, Algebraic RPL Erable-based 8-bit RPL character set (with euro sign[2][3][4]) Buzzer USB (Mini-B), IrDA 3×1.5 V (4.5 V) AAA, 1×3 V CR2032 2003–2006 HP 49G HP 50g

HP 48gII (F2226A)		 48 MHz (203 MHz) Samsung S3C2410X01 (ARM920T core, ARMv4T architecture) 128 KB RAM (256 KB RAM - 2007 model only), not flashable 131×64 pixel monochrome LCD Entry RPN, Algebraic Dynamic RPL, Algebraic RPL Erable-based 8-bit RPL character set (with euro sign[3][4]) Buzzer (USB (Mini-B) - 2007 model only), IrDA, 1×4-pin 3.3 V TTL serial (RS-232 via active converter) 3×1.5 V (4.5 V) AAA (4×1.5 V (6 V) AAA - 2007 model only), 1×3 V CR2032, USB (2007 model only) 2003 HP 48G+ HP 49g+

HP 49G (F1633A, F1896A)		 4 MHz Yorke (Saturn 1LT8 core) 512 KB RAM, 2 MB flash 131×64 pixel monochrome LCD Entry RPN, Algebraic Dynamic RPL, Algebraic RPL Erable-based 8-bit RPL character set (with euro sign[3][4]) Buzzer 2×5-pin RS-232 3×1.5 V (4.5 V) AAA 1999–2003 HP 48GX, HP 48G+ hp 49g+
HP 48G+ (F1630A, F1894A) 4 MHz Yorke (Saturn 1LT8 core) 128 KB RAM, not flashable 131×64 pixel monochrome LCD Entry RPN Dynamic RPL Rudimentary[8] 8-bit RPL character set[9][10] Buzzer 1×4-pin RS-232, HP SIR 3×1.5 V (4.5 V) AAA 1998–2003[11] HP 48G HP 49G

HP 48G		 3.68-4 MHz Yorke (Saturn 1LT8 core) 32 KB RAM, not flashable 131×64 pixel monochrome LCD Entry RPN Dynamic RPL Rudimentary[8] 8-bit RPL character set[9][10] Buzzer 1×4-pin RS-232, HP SIR 3×1.5 V (4.5 V) AAA 1993–2003[11] HP 48S HP 48G+, HP 49G

HP 48GX (F1895A)		 4 MHz Yorke (Saturn 1LT8 core) 128 KB RAM, expandable via 128 KB and 4 MB max. card slots, not flashable 131×64 pixel monochrome LCD Entry RPN Dynamic RPL Rudimentary[8] 8-bit RPL character set[9][10] Buzzer 1×4-pin RS-232, HP SIR 3×1.5 V (4.5 V) AAA 1993–2003[11] HP 48SX HP 49G

HP 48S		 2 MHz Clarke (Saturn 1LT8 core) 32 KB RAM, not flashable 131×64 pixel monochrome LCD Entry RPN Dynamic RPL Rudimentary[8] 8-bit RPL character set Buzzer 1×4-pin RS-232, HP SIR 3×1.5 V (4.5 V) AAA 1991–1993[11] HP-28S HP 48G
HP 48SX 2 MHz Clarke (Saturn 1LT8 core) 32 KB RAM, expandable via 2 card slots of 128 KB RAM/ROM each, not flashable 131×64 pixel monochrome LCD Entry RPN Dynamic RPL Rudimentary[8] 8-bit RPL character set Buzzer 1×4-pin RS-232, HP SIR 3×1.5 V (4.5 V) AAA 1990–1993[11] HP-28S HP 48GX

HP 39gII (NW249AA)		 80 MHz Freescale (formerly SigmaTel) STMP3770 (ARM926EJ-S core) 256 KB RAM (ca. 240 KB available to user), 128 MB flash (80–105 MB available to user) 256×128 pixel monochrome gray-scale LCD Algebraic Dynamic HP Basic-variant or PPL-predecessor? No Unicode No USB-OTG (Micro-AB) 1–4×1.5 V (1.5 V) AAA, USB 2011 HP 39gs HP Prime

HP 40gs (F2225A)		 75 MHz Samsung S3C2410A (ARM920T core, ARMv4T architecture) 256 KB RAM, 2 MB flash 131×64 pixel monochrome LCD Algebraic Dynamic HP Basic Erable-based 8-bit RPL character set (with −1[12] and euro sign[12]) Buzzer USB (Mini-B), 1×4-pin 3.3 V TTL serial (RS-232 via active converter) 4×1.5 V (6 V) AAA, 1×3 V CR2032, USB 2006–2011 HP 40G HP 39gII, HP Prime

HP 39gs (F2223A)		 75 MHz Samsung S3C2410A (ARM920T core, ARMv4T architecture) 256 KB RAM, 1 MB flash 131×64 pixel monochrome LCD Algebraic Dynamic HP Basic No 8-bit RPL character set (with −1[12] and euro sign[12]) Buzzer USB (Mini-B), IrDA, 1×4-pin 3.3 V TTL serial (RS-232 via active converter) 4×1.5 V (6 V) AAA, 1×3 V CR2032, USB 2006–2011 hp 39g+ HP 40gs, HP 39gII

hp 39g+ (F2224A)		 75 MHz Samsung S3C2410X (ARM920T core, ARMv4T architecture) 256 KB RAM, 1 MB flash 131×64 pixel monochrome LCD Algebraic Dynamic HP Basic No 8-bit RPL character set (with −1[12] and euro sign) Buzzer USB (Mini-B), IrDA 3×1.5 V (4.5 V) AAA, 1×3 V CR2032 2003–2006 HP 39G HP 39gs
HP 40G (F1907A) 4 MHz Yorke (Saturn 1LT8 core) 256 KB RAM, not flashable 131×64 pixel monochrome LCD Algebraic Dynamic HP Basic Erable-based 8-bit RPL character set (with −1[12] and euro sign) Buzzer 2×5-pin RS-232 3×1.5 V (4.5 V) AAA 2000–2003 HP 38G HP 40gs
HP 39G (F1906A) 4 MHz Yorke (Saturn 1LT8 core) 256 KB RAM, not flashable 131×64 pixel monochrome LCD Algebraic Dynamic HP Basic No 8-bit RPL character set (with −1[12] and euro sign) Buzzer IrDA, 2×5-pin RS-232 3×1.5 V (4.5 V) AAA 2000–2003 HP 38G hp 39g+

HP 38G (F1200A, F1892A)		 4 MHz Yorke (Saturn 1LT8 core) 32 KB RAM, not flashable 4-line (131×64 pixel) monochrome LCD Algebraic Dynamic HP Basic No 8-bit RPL character set[12] Buzzer HP SIR, 2×5-pin RS-232 3×1.5 V (4.5 V) AAA 1995 None HP 39G, HP 40G

HP-28S		 1 MHz Lewis (Saturn 1LT8 core) 32 KB RAM, not flashable 4-line (137×32 pixel) monochrome LCD Entry RPN Dynamic RPL Rudimentary[8] 8-bit HP Roman 8 variant[13][14][15] Buzzer HP SIR 3×1.5 V (4.5 V) N 1988–1992 HP-28C HP 48 series
HP-28C 640 kHz Saturn (Saturn 1LK7 core) 2 KB RAM, 1709? bytes RAM available for user, not flashable 4-line (137×32 pixel) monochrome LCD Entry RPN Dynamic RPL Rudimentary[8] 8-bit HP Roman 8 variant Buzzer HP SIR 3×1.5 V (4.5 V) N 1987–1988 HP-41C HP-28S
HP-42S 1 MHz Lewis (Saturn core) 8 KB RAM (extensible to 32 KB), 7200? (or 31553) bytes RAM available for user, not flashable 2-line (131×16 pixel) monochrome LCD Classical RPN Fixed (4 level) Keystroke programmable, fully merged (FOCAL variant) None 8-bit proprietary Buzzer HP SIR 3×1.5 V (4.5 V) LR44 1987–1995 HP-41C, (HP-15C) HP-28S

HP 9g		 Sunplus SPLB30A (aka Generalplus GPLB30A) 712? bytes RAM available for user, not flashable 35×23 pixel, 1-line 5-digit 5×7 dot matrix, 1-line 10+3-digit 7-segment monochrome LCD Algebraic  ? Limited, 10 programmable "expression registers" that can reference other functions, registers, and memory No  ? No None 1×3 V CR2025 2003 None None
Model Processor Memory Display Input method Stack Programming languages Computer algebra system Character set Sound Connectivity Power supply Release year Predecessors Successors

See also

References
  1. "Hewlett-Packard HP 50g scientific calculator". ARM. Archived from the original on 2015-03-09. Retrieved 2015-03-13.
  2. HP 50g / 49g+ / 48gII graphing calculator advanced user’s reference manual (AUR) (2 ed.). Hewlett-Packard. 2009-07-14 [2005]. pp. J-1, J-2. HP F2228-90010. Archived from the original on 2018-09-28. Retrieved 2015-10-10. Searchable PDF
  3. Prange, James M. (2006-11-02). "Re: Those solid block characters in the characters menu". HP Forum Archive 16. The Museum of HP Calculators (MoHPC). Archived from the original on 2016-08-02. Retrieved 2016-08-02.
  4. Rautenberg, Wolfgang (2004-05-09). "IOMAN - A small but powerful I/O manager for the HP49G/HP49g+". 5.2004. Archived from the original on 2016-08-02. Retrieved 2016-08-02.
  5. Kuperus, Klaas (2015-03-04). "HP 50g: End of an era". forum.hp-prime.de. Moravia. Archived from the original on 2015-04-02.
  6. Kuperus, Klaas (2015-03-06). "HP 50g not so good news?". HP Museum. Moravia. Archived from the original on 2018-07-08. Retrieved 2016-01-01.
  7. Wessman, Timothy "Tim" James (2015-12-26). "Windows 10 won't allow HP 50g USB drivers to be installed". HP Museum. Archived from the original on 2018-07-08. Retrieved 2016-01-01.
  8. Nelson, Richard J. (2010). "Hewlett-Packard Calculator Firsts". Hewlett-Packard Development Company, L.P. Archived from the original on 2010-07-03.
  9. HP 82240B Infrared Printer (1 ed.). Corvallis, OR, USA: Hewlett Packard. August 1989. pp. 17–18. HP reorder number 82240-90014. Archived from the original on 2018-06-28. Retrieved 2016-08-01.
  10. HP 48G Series – User's Guide (UG) (8th ed.). Hewlett-Packard. December 1994 [1993]. pp. 2–5, 27–16. HP 00048-90126, (00048-90104). Archived from the original on 2016-08-06. Retrieved 2015-09-06.
  11. "Thimet Hewlett Packard HP 48S, SX, G, G+, GX, gII". Archived from the original on 2018-10-23. Retrieved 2014-01-20.
  12. Croft, Colin (December 2006). hp 39gs and hp 40gs graphing calculators. Mastering the hp 39gs & hp 40gs - A guide for teachers, students and other users of the hp 39gs & hp 40gs (PDF). 1.0 (1st ed.). Hewlett-Packard Development Company, L.P. pp. 26, 221, 333. HP part number F2224-90010. Archived (PDF) from the original on 2016-03-03. Retrieved 2016-08-06. The original hp 38g only had the function INVERSE(…) and the -1 operator was added for convenience sake in the hp 39g, released in 2000. To do this the creators had to borrow one of the existing unused characters, the 3 character, and convert it into the -1 operator. However, they forgot to change it in the CHARS view and this error has never been fixed in any of the successive models!
  13. HP 82240A Infrared Printer (PDF) (2 ed.). Corvallis, OR, USA: Hewlett Packard, Portable Computer Division. October 1986. HP reorder number 82240-90001 (82240-90008). Archived (PDF) from the original on 2016-08-06. Retrieved 2016-08-06.
  14. Nungester, Rick (1988-08-18). "Infra-Red output converter". Luc Pauwels (published 2006-10-24). Archived from the original on 2016-08-06. Retrieved 2016-08-06.
  15. HP-28S Advanced Scientific Calculator Reference Manual (PDF) (4 ed.). Hewlett-Packard. November 1988 [October 1987]. pp. 266–267. HP 00028-90068. Archived (PDF) from the original on 2015-06-08. Retrieved 2015-10-10.
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