Question

In: Computer Science

Create a form in which the user enters two separate numbers (x and y), and when...

Create a form in which the user enters two separate numbers (x and y), and when the user clicks the appropriate button, math functions are performed on these two numbers and output back on to the form.

INPUT

  • User can enter two separate numbers (one for the x variable, and one for the y variable)
  • User can input their information:
    • The user must be able to enter information about themselves, including first name, last name, address, phone

PROCESSING

  • The user will be allowed to click a button (or multiple buttons if desired) on the form
  • Store the user input into two separate variables to be able to perform math
  • Once the button(s) is clicked, several math functions must be performed
    • Adding x and y
    • Subtracting x and y
    • Multiplying x and y
    • Dividing x and y

OUTPUT

  • After the button is clicked and the math functions are performed, the answers to the math problems should be output on the form
    • Addition =
    • Subtraction =
    • Multiplication =
    • Division =
  • Output the data into a listbox
  • Output the data into text box

CRITERIA

  • Make the form visually appealing – use alignment, formatting, spelling, font controls, etc.
  • Must be usable (tab order, adequate labels)
    • Include a clear button so the user can start again
  • Make use of methods we have learned in class
  • Variable names can be creative, but they must include the appropriate prefixes
  • Include access keys on each button
  • Set tab order from top to bottom
  • Include field masking where appropriate
  • Use at least one input box
  • Display at least one output box
  • Include documentation within code
  • Must give accurate information when performing functions
  • Any other special instructions mentioned in Input, Output or Processing section

GRADING

  • Creativity
  • User friendliness of form
  • Use of multiple methods discussed in class
  • Include all criteria listed above

SUBMISSION INSTRUCTIONS

  • Must be submitted to BlackBoard drop box No LATER THAN midnight on the due date

All files should be included in submission

Solutions

Expert Solution

<html>
   <head>
       <title>Math Operations</title>
       <script>
           function calc(){
               var x = parseInt(document.maths.x.value);
               var y = parseInt(document.maths.y.value);
               document.getElementById("output").innerHTML = "Addition="+(x+y)+"<br>Subtraction="+(x-y)+"<br>Multiplication="+(x*y)+"<br>Division="+(x/y)+"<br>";
               console.log(document.maths.x.value);
           }
           function reset(){
               document.maths.x.value = null;
               document.maths.y.value = null;
               document.getElementById("output").innerHTML = "";
           }
       </script>
   </head>
   <body>
       <div style="text-align: center !important;">
           <br>
           <h2> CALCULATOR </h2>
           <hr><br>
       <form name="maths">
           X: <input style="margin: 5px;" type="number" name="x" id="x" placeholder="Enter value of x"><br>
           Y: <input style="margin: 5px;"type="number" name="y" id="y" placeholder="Enter value of y">
       </form>
       <button style="margin: 5px; height:30px; width: 100px; background: green; color: white;" onclick="calc()">Calculate</button>
       <button style="margin: 5px; height:30px; width: 100px; background: red; color: white;" onclick="reset()">Reset</button>
       <p id="output"></p>
   </div>
   </body>
</html>

venereology answered 1 month ago
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