怎么在proteus中加计算器模块 -

[img]file:///E:\Documents\Tencent Files\314308799\Image\C2C\KR_FCFF@H6R6C9ABG@O3F3G.png[/img][img=0,1]file:///E:\Documents\Tencent Files\314308799\Image\C2C\KR_FCFF@H6R6C9ABG@O3F3G.png[/img]就是怎么把矩阵键盘，显示成计算器那个样子？？