计算器上各个键的名称及功能:ON/AC上电,或清除数值;C清除所有数值;CE清除并显示0;√平方根;M+中断输入。
1、ON/AC上电,或清除数值:
上电/全清键(ON/AC):按下该键表示上电,或清除所有寄存器中的数值。
![](https://iknow-pic.cdn.bcebos.com/1f178a82b9014a90aabde52bbb773912b21beea1?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
2、C清除所有数值:
清除键(C):在数字输入期间,第一次按下此键将清除存储器内容外的所有数值。
![](https://iknow-pic.cdn.bcebos.com/09fa513d269759eeb6d3c35da0fb43166c22dfa1?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
3、CE清除并显示0:
清除输入键(CE):在数字输入期间按下此键将清除输入寄存器中的值并显示“0”。
![](https://iknow-pic.cdn.bcebos.com/1b4c510fd9f9d72ac7e7b38bc62a2834359bbba1?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
4、√平方根:
平方根√:显示一个输入正数的平方根。
![](https://iknow-pic.cdn.bcebos.com/0dd7912397dda144698acf24a0b7d0a20df486a1?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
5、M+中断输入:
M+:把目前显示的值放在存储器中,中断数字输入。
![](https://iknow-pic.cdn.bcebos.com/ca1349540923dd54acf004fec309b3de9d8248a1?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)