HP-49G Guide, Meaning , Facts, Information and Description

The HP-49G is a Hewlett-Packard (HP) manufactured graphing calculator. It is the successor of the HP-48, one of the best-selling calculators among engineers, scientists, and students. The 49G has algebraic (default) and RPN entry modes, and is based on a 4MHz HP Saturn processor.

The calculator is often compared to the Texas Instruments TI-89, which is targeted more towards classroom use and employs a drastically faster CPU. Speed of calculation varies between the two calculators for each particular problem, but generally the TI-89 CAS (based on Texas Instruments' Derive engine) outperforms that of the 49G (in areas such as simultaneous equation solving, integration, and matrix manipulation), though the 49G is faster in other areas – notably 3D plot generation and arbitrary-precision arithmetic.

The 49G has been discontinued and replaced with the HP-49G+ which features a dramatically faster 75Mhz ARM9 processor (the OS runs on a Saturn emulator) and an SD card port.

Basic characteristics

• Screen resolution: 131×64 pixels
• CPU: 4Mhz Saturn
• Memory: 2 MB flash memory and 512 KB RAM
• Computer algebra system: improved ALG48+Erable combination from the HP-48
• Communication: Serial port

External links

• HP calculator wiki
• HP-49G+ (official page)

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