用php实现加减乘除计算器。代码很简单哦! <?php header("content-type:text/html;charset=utf-8");session_start();?><!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/
Demo1:使用窗体控件实现一个简易版计算器 Public Class Form1Private Sub Button_1_Click(sender As Object, e As EventArgs) Handles Button_1.ClickCalSubBox.Text += Button_1.TextEnd SubPrivate Sub Button_2_Click(sender A