用c语言程序设计一个简单计算器,求其源代码答:AspectRatio = (double)xasp/(double)yasp;/* 计算纵横比值*/}/*计算器函数*/void computer(void){struct viewporttype vp; /*定义视口类型变量*/int color, height, width;int x, y,x0,y0, i, j,v,m,n,act,flag=1;float num1=0,num2=0,result; /*操作数和计算结果变量*/char cnum[5],...