The state in which the calculator shows a zero result for the most significant part of a number, while the least significant part of the number is dropped.Example: If the calculator output capacity is four digits, the number.0000432 will be shown as.0000.

• 计算器把某数的高位有效数显示为零，而丢弃低位有效数的状态。例：一个数为?。0000432，?如果计算器的输出能力为四位，那么，该数将显示为。0000。