但在当时除了小型计算器和很少的类PDA设备之外LCD技术并没有大规模应用的先例。
But the technology was virtually non-existent in the consumer space, other than being on small calculators, and a few early-PDA-like devices.
说明：小型科学计算器的功能的实现，也可以进行加减乘除等等的运算。
Small scientific calculator functions to achieve, you can also carry out arithmetic operations, etc.
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