| 摘要 |
An eye-friendly calculator includes a main body being provided on a front side with a display zone consisting of a liquid crystal display (LCD) panel for displaying numerals and symbols; and a display-zone cover being correspondingly provided on the front side of the main body to cover the display zone. The display-zone cover is provided with a transparent window portion, which is made of a light-transmitting and tinted material and located corresponding to the LCD panel of the display zone. The transparent and tinted window portion has an eye-friendly color, which also filters out traces of LCD font that appear on the LCD panel at blank positions and overlapped images of displayed digits or symbols visible when viewing from an angular position relative to the calculator, so that a user can comfortably work on the calculator over a long time without having weary eyes easily.
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