Computers existed around 125 B.C.
公元前125年就有計算機了

The Antikythera mechanism is an ancient geared computing device that was used to calculate astronomical positions and that mystified scientists for over a century.
安提基奇拉機械裝置是一種古老的齒輪計算設備，用來計算天文上的各種位置。這一裝置已經困惑了科學家們長達一個世紀。
A dial on the front of the device probably carried at least three hands, one indicating the date and the other two indicating the positions of the Sun and the Moon. The device was also probably used to predict solar eclipses and indicate other planetary motions.
這個裝置的正面有個刻度盤，盤上至少有三根指針，一根用來指示日期，其余兩根用來表示太陽和月亮的位置。這一裝置也有可能被用來預測日食和其他天體活動。