A scientific calculator is a type of electronic calculator usually but not always handheld designed to calculate problems in science engineering
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- 大图:2448 × 3080 像素·20.73 cm × 26.08 cm·300dpi·JPG
- 中图:795 × 1000 像素·28.05 cm × 35.28 cm·72dpi·JPG
- 小图:397 × 500 像素·14.01 cm × 17.64 cm·72dpi·JPG