| 摘要 |
A multifunctional engineering calculator is provided to offer multiple functions by adding an electronic dictionary, MP3(MPEG(Moving Picture Experts Group) layer-3) player, and USB(Universal Serial Bus)-disk function to the engineering calculator. An electronic dictionary and an MP3 player are added to the engineering calculator as one body. A storage device having a storing pace is embedded in the engineering calculator and is recognized as a USB storage device. The multifunctional engine calculator is operated by the primary and secondary battery, and includes a PMP(Personal Multimedia Player) function, a radio receiver function, and a charging function using a USB port/cable.
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