abacus calculator

Utility tools under Linux--calculators 1. BC Instruction addition, 4. BC Instruction Division (advanced), shown, 10/3 is 3, because we do not specify a decimal point after a few, the default is taken to the integer part, and 10/100 is zero, the same reason, only to take the integer 0 part. Use the "scale=[number" command to specify a few points after the decimal point:The BC Command calculates the remainder, 6. BC Command Count index, 87. How to exit the calculatorSince

The Implements a simple calculator program that requires: implemented using the Jsp+javabean pattern. The Project source code is as follows: File: calculator.jsp The JavaBean code used in this article is as follows: Package cn.zq.domain; public class Calculator {private String firstnum; Private String operator; Private String Secondnum; Private String result; Public Str

Use C # to write a calculator. The following figure, can complete the basic arithmetic. Of course, this program is not even a self-contained calculator with Windows accessories.However, the logic of this program is still very worthwhile to think about, first of all, you should consider the user by +-*/= and other operational symbols, digital keys after the status of the

　　 Google search results page to add Graphics function Calculator function 　　 Heart-shaped pattern 　　 You can zoom in and zoom out on a graphic Beijing Time December 6 news, according to focus on the search industry development trends of the U.S. Science and Technology blog site SearchEngineLand Report, Google technical engineer Adi Avidor (Adi Avidor) in Monday in a posting announced that Google search results page has increased t

' | bc128$ echo "obase=10;ibase=16;80" | bc1284. Exponential operation:$ echo "5^5" | bc3125$ echo "(5^5) ^5" | bc298023223876953125Remember that the result of the first exponential operation is to add parentheses.5. Function library-based operationsBC supports the following functions:s (x): sine function (x is radians)C (x): cosine function (x is radians)A (x): Inverse tangent function (the result is radians)l (x): Natural logarithm functionE (x): exponential function with E as the baseJ (n,x)

The code is as follows Copy Code Body, Div, input {font:12px Arial;} . Calculatorbutton {Text-align:center;width:73px;} . calculatorButton2 {Text-align:center;width:154px;}*+html. CalculatorButton2 {width:157px;} #calculator. Buttonarea {padding:3px;Border-color: #455690 #a6b4cf #a6b4cf #455690;Border-style:solid;border-width:1px;} #calculatorOutput {padding:2px; BORDER:2PX inset; margin:2px;} #topbar {Position:absolute;Border-right:

Environment: Host: WIN10 Express Installation: 1. Install Express-generator Enter command: NPM install-g Express-generator 2. Installation of Express Enter command: NPM Install-g Express 3. Verify that the installation is successful Enter command: express-v View Help: Express--help To establish a project: EXPRESS-E Calculator CD Calculator npm Install Run

Win7 System Word document calculator function how to use? The specific methods are as follows: 1, in fact, Word has already built a simple version of the "Calculator" component, located in the "file" → "option" → "Custom Ribbon", click "Not in the Ribbon command"; 2, and then from the list to find a component named "Calculation", through the "Add" button to add it to a new tab after it; 2, add a

1. About BCBC is an arbitrary precision calculator language, usually under Linux as a calculator, easy to use. Equivalent to a calculator under Windows.2. Supported operatorsBasic Mathematical Operations: + addition-Subtraction * Multiplication/division ^ exponent% remainderexpressions, logical operations, and mathematical functions are also supported.3. UseEnter

Original: Java Swing development of the simplest calculator source codeSource code: Http://www.zuidaima.com/share/1550463496948736.htmA simple calculator written in Java Swing/*** @author www.zuidaima.com*/package com.zuidaima.swing;import java.awt.borderlayout;import java.awt.EventQueue; Import Javax.swing.jframe;import Javax.swing.jpanel;import Javax.swing.border.emptyborder;import Javax.swing.jmenubar;im

Swift project development Combat-Multi-version iphone calculator based on layered architecture-live lessonGood news: Buy this course to send the relevant instructor book +50 coins course coupons! There is better news, in order to give back to new and old students, this time to take the live free, recording the form of charges! Buy This course give Dongsheng teacher value 69 Yuan the first "swift Development Guide" in China, and give 50 Yuan coupon

The examples in this article describe the Java implementation of a simple calculator class. Share to everyone for your reference. as follows: Package chap; Import Java.awt.BorderLayout; Import Java.awt.Color; Import Java.awt.FlowLayout; Import Java.awt.GridLayout; Import java.awt.event.ActionEvent; Import Java.awt.event.ActionListener; Import Java.text.DecimalFormat; Import Javax.swing.JButton; Import Javax.swing.JFrame; Import Javax.swing.JPane

1, enter the Meteo program interface, if the system desktop, press the "Windows" key, switch to the Metro interface, in the blank click "Right mouse button." 2. Click on all the programs that appear at the bottom of the screen. 3, in all the program interface, pull the screen interface, find the calculator in the Windows attachment. 4, click on "Calculator", you can use. Win8

1. The display name of the key on the calculator1.0 InheritanceJFrameclass Public class Calculate extends JFrame {}1.1 Defining constants The display name of the key on the/** calculator */ Public Final String[] KEYS = {"7", "8", "9", "/", "sqrt", "4", "5", "6", "*", "%", "1", "2", "3", "-", "1/x", "0", "+/-", ".", "+", "= " };The display name of the function key on the/** calculator */ Public Final Strin

Make a calculator like ageAccording to the topic, I made a calendar class and the date of the month and the day of the age, of course, the correct way more than one, the following is my source code and results:Package com. Date;Import Java.awt.FlowLayout;Import java.awt.event.ActionEvent;Import Java.awt.event.ActionListener;Import Java.sql.Date;Import Java.util.Calendar;Import java.util.EmptyStackException;Import Java.util.StringTokenizer;Import Javax

Title DescriptionThe revolutionary contribution of the Sfeng speed algorithm is to predict rounding from a high position. Do not need 99 tables, completely subvert the traditional hand count!The core foundation of the calculator is the multiplication of 1-bit numbers multiplied by multiple digits.Where multiplying by 7 is the most complex, take it for example.Because, 1/7 is a repeating decimal: 0.142857 ..., if the number of digits more than 142857 .

In fact, Windows7 long since brought a fuel consumption calculator, not only convenient but also very fast. Win7 's calculator has a lot of improvements, don't look at the beginning of the unprepossessing, but a little adjustment will be able to complete a lot of special calculations. The simplest is to switch between the different computing versions, see the left side of the "View" menu, click here can b

Get all the keys from documentvar keys = Document.queryselectorall (' #calculator span '), var operators = [' + ', '-', ' X ', ' ÷ '];var decimaladded = false;//Add onclick event to all the keys and perform operationsfor (var i = 0; i /* Basic reset */* {margin:0;padding:0;box-sizing:border-box;/* Better text styling */font:bold 14px Arial, Sans-serif ;} /* Finally Adding some IE9 fallbacks for gradients to finish things up *//* A nice BG gradient */h

(1) JSP implementation of the Web page calculator code is as follows: only two JSP pagesMycal.jsp as follows:Myresult.jsp as follows:(2) Although the process is simple but there are several places worth learning:How to tell if the input data is a number: use Math.Round (form1.num1.value)! = Form1.num1.value to judge;How to get the action value: Set the Name property flag implementation;JSP Implementation Web Calcu