Dream.In.Code >Programming Tutorials >Visual Basic Tutorials. Create a calculator. I'm pretty new to Visual Basic 2008 and I have no clue what to do. This is the snippet A Scientific Calculator in Visual Basic on FreeVBCode. The FreeVBCode site provides free Visual Basic code, examples, snippets, and articles on a.

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Project listing and properties window (Violet Mabe) Rename your project and your form by clicking on 'Project1' at the right hand side of the screen, in the project listing, and entering a new name in the 'Name' line of the Properties box, which should appear below the project listing by default. Press 'Enter' to accept the new name. Do the same for your form (a suggested form name is 'CalculatorUI'), making sure to enter a similar name in the 'Caption' property as well, which will change the text in the top bar of the form. Save the project in a new folder on your computer.

Textbox creation on your form (Violet Mabe) Add buttons and a text box to the form. First, add a text box, which will be where the numbers entered in the calculator appear, as well as the results of calculations. Do this by selecting the TextBox button from the toolbar at the left side of the screen, and then dragging with your mouse the size and location you desire for the TextBox. Once you've placed the TextBox you can change the size and location by dragging it to another location of the form or by dragging the handles (the small squares) along the border of the TextBox. Be sure to change the following lines in the Properties window, with the TextBox selected: '(Name)' = tbResult, 'Alignment' = 1- Right Justify, 'Data Format' = (click on the '.' Button to select) Number, 'Locked' = True, and 'Text' = 0.

Button layout for the calculator program (Violet Mabe) Select the CommandButton icon on the toolbar and create the first button the same way you created the TextBox to add buttons. For reference, use the Windows calculator in Standard view (Programs >Accessories >Software Anachid Islamia Telechargement Gratuit. Calculator) as a basis for your calculator layout, leaving out the 'MC', 'MR', 'MS', and 'M+' buttons. Dune 2 Windows Vista on this page. On each button, change the following properties (using the '+' button as an example): '(Name)' = btnPlus, 'Caption' = +. Do the same for the rest of the calculator buttons, and then save your work.

Your form should now resemble the example shown here. Step Add the code. Note that if your buttons and textbox are not named the same as the code listed here expects, you will need to change the names to match your buttons and textbox, or change your buttons and textbox to match this code. First we need to create a few variables for processing calculator input: Dim sLeft As String, sRight As String, sOperator As String Dim iLeft As Double, iRight As Double, iResult As Double Dim bLeft As Boolean Each calculation consists of four parts: a number to the left of the operator (sLeft, iLeft), an operator (sOperator), a number to the right of the operator (sRight, iRight), and a result (iResult). In order to track whether the user is entering the left or right number, we need to create a boolean variable, bLeft. If bLeft is true, the left side of the calculation is being entered; if bLeft is false, the right side is being entered. Step Initialize the bLeft variable.