opc calculator

I do not know whether the friends have studied windows with the calculator, anyway, after a small series of research found that Windows Natural Calculator is really strong, before all overlooked. Now, with the lazy snake, take a look at some of the advanced uses of Windows with calculators. How do I quickly open a calculator? 1, Win + R key combination, open th

　　1. Basic operation Basic operation and Calculator, support keyboard operation, mouse over the button hover, in addition to the number key will pop-up prompts, prompt behind the parentheses is keyboard operation shortcut keys. 　　2. Hover, streamline and minimize The calculator supports automatic hover of the screen edge. When you drag the calculator to the ed

1. Quick calculator Mode In emacs23, you can use the M-x quick-Calc command or the shortcut key C-x * Q to start the quick calculator mode. This is a very small tool. After it is started, it will prompt the input mathematical formula in minibuffer, and press enter to display the result. This mode can be easily used for some basic mathematical operations, which is more convenient and quicker than using the b

Do an ico file on your own. #ifndef Calculator_h#define Calculator_h#include "Stack.h"#include #include using namespace Std;Class calculator{PrivateStackStackPublicDouble A;Calculator (): A (0) {};~calculator () {};void Clear ();void Compute (char Opr);void Gettwonumdouble (double num1, double num2);void Gettwonumint (int num1, int num2);void Cal (string);/

This article mainly introduces the simple triangle and rectangular perimeter area calculator implemented by PHP. The implementation in this article is relatively simple and provides code file download. For more information, see This article mainly introduces the simple triangle and rectangular perimeter area calculator implemented by PHP. The implementation in this article is relatively simple and provides

The built-in calculator features in Windows systems are useful for many users who buy or sell goods online, and in our familiar Win7 and XP systems, we usually find calculators in the initial-program-attachment, but since Win8 cancels the Start menu, This makes a lot of net buys a clan and shop merchant is vexed unceasingly First, if you are entering the WIN8 start screen, then you may wish to use the following method steps to find the Win8 to take

The first glimpse of the MAC version of the original Calculator application, you may find that the calculator function is very simple, but in fact it also built two other calculator mode, respectively, is a scientific calculator and programmer calculator. To con

Simple calculator written by JavaScript

calculation of the symbolExp_sum = ADD_SUB (exp)#Call Add_sub to calculate addition and subtraction returnExp_sum#float #返回计算结果defMain (exp): Exp= Exp.replace (' ',"')#Delete spaces in a string whileTrue:ret= Re.search ('\([^()]+\)', exp)#Match parentheses ifRet:#if it matches.Inner_bracket = Ret.group ()#use Group () to extract the bracketed content that matches tores = str (cal (Inner_bracket))#call Cal () to calculate the contents of parentheses and convert the returned result

(i)elifFIND_[INDEX-1] = ="-": #If two negative numbers are subtracted, they are added or subtracted ifTag = =True:res+=float (i)Else: Res-=float (i)Else: #case where I is empty when processing without parentheses ifI! ="": Res=float (i)returnResif __name__=='__main__': whileTrue:calc_input= Input ("Please enter a calculation formula \ n default to:%s:"%a). Strip ()Try: ifLen (calc_input) = =0:calc_input=a calc_input= R'%s'%calc_input#do special treatment t

@__create_say_zsq ()def __init__ (Self,num):Self.__result = num@__check_num_zsq@__create_say_zsq ("plus")def Jia (self,n):Self.__result + = nreturn self@__check_num_zsq@__create_say_zsq ("Minus")Def Jian (self,n):Self.__result-= nreturn self@__check_num_zsq@__create_say_zsq ("multiply")def Chen (self,n):Self.__result *= Nreturn selfDef show (self):Self.__say ("The result of the calculation is:%d"%self.__result)Print ("The result of the calculation is:%d"%self.__result)return selfdef clear (self)

The code is as follows:Import Java.awt.*;import javax.swing.*;p ublic class Gridframe extends JFrame {//define string array, assign a value to the display text of the button string str[] = {"MC", "MR", "MS", "m+", "←", "C", "%", "π", "7", "8", "9", "/", "4", "5", "6", "*", "1", "2", "3", "-", "0", ".", "=", "+"};p UBL IC Gridframe () {//define panel and set to Grid layout, 4 rows 4 columns, component horizontal, vertical spacing is 7JPanel pan = new JPanel ();p an.setlayout (New GridLayout (6, 4

I used to look at PHP when I wanted to do this, but there has been no time, this time finally took a sneak into the code more than the amount of project.First of all, the document structure, all in one folder is good, my example is the following.Start by entering the index.php file.Doing a couple of things.1. The number of passes that can be obtained by $get_[the "action" method and the $_request ["action"] method is rect, triangle or circle.2. The two classes of form.class.php and result.class.