slipstick

• 一种手动模拟计算工具，用于快速乘除、开方等运算，由两条带刻度的尺子相对滑动配合游标读数；现代已在很大程度上被电子计算器和计算机取代。

A handheld analog computer used for rapid calculations, now largely replaced by pocket calculators.

1. Analog calculatorC1informaltechnical

   A handheld analog computing device used for rapid mathematical calculations, such as multiplication, division, and logarithms, before the advent of electronic calculators.

   计算尺

   • Engineers used a slipstick to compute complex equations before calculators became common.
   • My grandfather still keeps his old slipstick in a drawer as a memento.
   • The slide rule, often called a slipstick, was essential for navigation and engineering.

   同义词slide rule