Computers existed around 125 B.C.
公元前125年就有计算机了

The Antikythera mechanism is an ancient geared computing device that was used to calculate astronomical positions and that mystified scientists for over a century.
安提基奇拉机械装置是一种古老的齿轮计算设备，用来计算天文上的各种位置。这一装置已经困惑了科学家们长达一个世纪。
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.
这个装置的正面有个刻度盘，盘上至少有三根指针，一根用来指示日期，其余两根用来表示太阳和月亮的位置。这一装置也有可能被用来预测日食和其他天体活动。