计算机取代了计算尺.

The computer has supplanted the slide rule.

一个简便的事例是用袖珍计算器代替计算尺。

One handy example is the replacement of the slide rule by the pocket calculator .

1622年发明计算尺的英国数学家威廉·奥特雷德在萨里郡奥尔伯里逝世。

William Oughtred, English mathematician who invented the slide rule in 1622, died at Albury in Surrey.

1622年发明计算尺的英国数学家威廉·奥特雷德在萨里郡奥尔伯里逝世.

William Oughtred , English mathematician who invented the slide rule in 1622 , died at Albury in Surrey.

手算和用计算尺进行计算的日子远去了，但计算机的存在让你依然有对数学的需要。

Gone are the days of calculating by hand and with slide rules, but the existence of computers does not free you from the need to understand math.

同时，以实例具体说明这种专用计算尺的实际应用。

Examples are given in detail for its practical applications.