java calculator code

perform the addition of numbers, with the following specific code: Packagecom.cqvie.action;ImportCom.opensymphony.xwork2.ActionSupport; Public classUseractionextendsActionsupport {Private intnum1, num2, sum; Public intgetNum1 () {returnNUM1; } Public voidSETNUM1 (intNUM1) { This. NUM1 =NUM1; } Public intgetNum2 () {returnnum2; } Public voidSETNUM2 (intnum2) { This. num2 =num2; } Public intgetsum () {returnsum; }

This article mainly introduces the python3.5 + PyQt5 +ERIC6 Implementation of a calculator method (with code), in the Windows7 32-bit system can run the calculator perfectly, interested can understand. A simple calculation can now be achieved. Before the calculation, please reset the default number of the design is 0, learned a half-day to make a result, a lot o

The calculator interface is simple and generous, with addition, subtraction, multiplication, in addition to function, clear screen, priced and other functions!Support IE browser, 360 browser, Sogou browser, Firefox browser, Google Chrome browser, such as mainstream browser, ready-to-use, no database, upload can be used!Demo page: http://jsq.204u.comBecause the source code needs to load some background image

Use 50 lines of Python code to create a calculatorIn this article, I will show you how to parse and calculate a four-digit arithmetic expression just like a common calculator. When we end, we will get a calculator that can process expressions such as 1 + 2 *-(-3 + 2)/5.6 + 3. Of course, you can also expand it more powerful. No nonsense. directly add the

The pure javascript code implements the calculator function. Next, let's share with you the calculator program compiled with pure javascript code, if you need a calculator program, you can share it with me today. it can be used in many industries, such as renovation budget a

A simple calculator implemented by the use of the technology: Chen yuefeng from: http://blog.csdn.net/mailbomb in the actual learning process, often do some small projects, you can learn the comprehensive application of the technology, gain a certain sense of accomplishment and exercise logical thinking. Functions of this calculator code: 1. Implement four arithm

oprs = {plus: "+", minus: "-", times :"*", pidedBy: "/"}; var Magic = {}; // Status object, parent object function Status (value, opr) {// current operation result this. value = value; // The current operator this. opr = opr;} // value Status object, inheriting the Status object function NumStatus (value, opr) {Status. call (this, value, opr);} // operation Status object, inheriting the State object function OprStatus (value, opr) {Status. call (this, value, opr);} // bind the method for (let I

; Break; Case '-': Result-=Number ; Break; Case '*': Result*=Number ; Break; Case '/': if(Number = =0) printf ("\n\n\adivision by Zero error!\n"); Elseresult/=Number ; Break; Case '%': if((Long Long) Number = = 0LL) printf ("\n\n\adivision by Zero error!\n"); Elseresult= (Double)((Long Long) Result% (Long Long) number); Break; Case '^': Result=Pow (result,number); Break; default: printf ("\n\n\aillegal operation!\n"); Break; } }

) %Ten; }//Calculate RoundingintJin_wei (Char*p) { Char* level[] = { "142857", "285714", "428571", "571428", "714285", "857142" }; Charbuf[7]; buf[6] =' /'; strncpy (Buf,p,6); inti; for(i=5; i>=0; i--){ intR =strcmp (Level[i], buf); if(r0)returni+1; while(r==0) {p+=6; strncpy (Buf,p,6); R=strcmp (Level[i], buf); if(r0)returni+1; if(r>0)returnI//Fill in } } return 0;}//multiply multiple digits by 7voidFChar*s) {intHead =Jin

The use of objects and properties in Java, methods, and simply wrote a case 1 Import Java.util.Scanner; 2 class Calculste 3 {4 int A;//define two integers 5 int b; 6 string option;//The string that defines the receive operator 7 public void count () {8 9//The operator is judged by the option {one case "+": System.out.println ("Calculation and:" +a+ "+" +b + "=" + (a+b)); break;14 case "-": System.out.println ("Calculation difference:" +a+ "-" +b+ "="

SCalc mini-program version is suitable for beginners. because the focus is not on implementing the specific functions of the calculator, it is mainly to learn the development of mini-programs, so do not care too much about some non-focus issues in order to achieve the computing function, the window object is not supported in the js file and cannot be used ..., Summary: SCalc mini-program version, suitable for entry, because the focus is not to implem

the specified positionCstr=cstr.insert (start, str1);}else{Calculate the basic formula without parentheses for the last time and print the final resultMatcher m =p.matcher (CStr);List numlist=new ArrayList ();while (M.find ()) {Numlist.add (M.group ());}StringBuffer Str1=count (numlist);System.out.println (STR1);Return}Recursive arraysSystem.out.println (CStr);Calculator (new String (CStr));} /** * * @param list receive the base formula array * @r

principle:1. Change the expression of the middle order to an expression2. The current character is a number, put that number in the stack3. The current character is an operator, take out two trees from the stack, operate from the operator, and put the results of the operation into the stack4. Repeat until the character is finished. Only one element is left in the stack, that is, the result of the operation PS: I did not deal with it. Only be able to perform operations within 10, assuming there i

principle:1. Change the middle order expression to follow-up expression2. The current character is a number, put that number in the stack3. The current character is the operator, take out two trees from the stack, according to operator operation, put the result of the operation into the stack4. Repeat until the character is finished, and there is only one element left in the stack, that is, the result of the operation PS: I do not handle, can only run 10 of the operation, if necessary can be ext

One, the code is as followsPackage Com.woniuxy.auto;import Java.awt.component;import Java.awt.frame;import java.lang.reflect.method;import Javax.swing.jbutton;import Javax.swing.jcombobox;import Javax.swing.jframe;import Javax.swing.JLabel;import Javax.swing.jtextfield;public class Javacalctest {public static void main (string[] args) {javacalctest calctest = new Java Calctest (); Calctest.startapp (); Calc

Import Java. AWT .*; Import Java. AWT. event .*; Import Javax. Swing .*; Public Class Calculator Implements Actionlistener {Jframe JF = New Jframe ("Calculator by chenyadong ");Jtextfield TF = New Jtextfield (); // Area of the input number Double Data; // Records the data before the input symbol. String operat

80 lines of code use Python + tkinter to implement a calculator, 80 lines of tkinter If you don't talk about it, go straight to the topic. We recommend that you repeat the code and try out the code reuse, use the string method, and dynamically create components. Then, you can supplement and give full play to this fram