Create a calculator application, Visual Basic Programming

Create a VB calculator application that appears as in the screen shots below.


1349_calculator 1.png

The user enters numbers in the textboxes labelled Number 1 and Number 2. When a calculation button (Add, minus etc.) is pressed, the result for the appropriate calculation appears in the textbox labelled Answer and the appropriate operation symbol (+, - etc.) appears between the number textboxes.
Whenever the user starts to enter a new number (Number 1 or 2), the operation symbol +, -, etc. is to disappear and the Answer and operation symbol are to be blanked out to prevent the display of incorrect results, as shown below:

Whenever the user clicks or tabs to the textboxes labelled Number 1 and Number 2, the field is to be blocked so that a completely new number can be entered.
The Answer textbox is to be locked to prevent manual editing of any displayed results. Also code is required to provide appropriate error checks for the entry of non-numeric (including blank) Number 1 and Number 2 fields, and to prevent a divide by zero error (for both Divide and Modulo). Any detected errors should be accompanied by an appropriate error message with focus being given to the textbox containing the erroneous value to facilitate correction.
Meaningful variable/control names and appropriate comments should be provided.

552_calculator 2.png

Posted Date: 2/18/2013 5:38:05 AM | Location : United States

Related Discussions:- Create a calculator application, Assignment Help, Ask Question on Create a calculator application, Get Answer, Expert's Help, Create a calculator application Discussions

Write discussion on Create a calculator application
Your posts are moderated
Related Questions
Illustration of GDI object CPen: 1. Generate a SDI application. And name it as gdipen. 2. Press ctrl (control key) and W altogether to invoke the class wizard. 3. Choose

MODELESS DIALOG The Dialog boxes are either modal or modeless. The modal dialog box should be closed (Unloaded or hidden) before you can continue the working with the rest of t

Would it be possible to see an example of an array program that tracks rent in different apartment buildings and is modular?


You can employ until keyword in two ways to verify a condition in a Do...Loop statement. You can verify the condition before you enter the loop (as illustrated in the following Chk

Case: Design a web page that contains the VBScript utilized for calculating subtotals, taxes, discounts & totals as well as code utilized to validate use

Write an event procedure to automate the billing system of a supermarket. Give the details of database tables, forms, controls and menu design (if any). Make assumptions, wherever


Associating Images to Toolbars: 1. Add an Image list to your form from the tool box. 2. Pick the custom property of the image list. 3. Click the images tab. 4. Select