Database System Concepts
Database System Concepts
7th Edition
ISBN: 9780078022159
Author: Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher: McGraw-Hill Education
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**Designing a Simple Calculator Using HTML, CSS, and JavaScript**

To enhance your understanding of web development, this exercise involves creating a basic calculator using HTML, CSS, and JavaScript. The resulting calculator will perform fundamental arithmetic operations - addition, subtraction, multiplication, and division - as illustrated in the figure below.

### Task Outline:
1. **Develop JavaScript Functions**:
   - Write four separate functions to handle addition, subtraction, multiplication, and division.
   
2. **Create the HTML Structure**:
   - Develop the necessary interface elements including labels, input fields for numbers, and buttons for operations.
   
3. **Style the Calculator with CSS**: 
   - Apply styles to make your calculator visually appealing and clear.

### Example Layout:
Below is a visual representation of the calculator interface:

**Title and Institution Information**:
- **Course**: CSW123 Introduction to Web Development
- **Institution**: University of Mount Union
- **Assignment Number**: Assignment 8

**Calculator Interface**:
- **Section Title**: Simple Calculator Application
- **Input Fields**:
  - **Enter number 1**: [text field]
  - **Enter number 2**: [text field]
  - **Result**: [text field for output]
  
- **Operation Buttons**:
  - Add
  - Subtract
  - Multiply
  - Divide

**Example UI**: 
The user interface is designed with simplicity in mind, ensuring ease of use.

This exercise demonstrates not only fundamental programming but also the integration of different web development technologies to create interactive web applications.
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Transcribed Image Text:**Designing a Simple Calculator Using HTML, CSS, and JavaScript** To enhance your understanding of web development, this exercise involves creating a basic calculator using HTML, CSS, and JavaScript. The resulting calculator will perform fundamental arithmetic operations - addition, subtraction, multiplication, and division - as illustrated in the figure below. ### Task Outline: 1. **Develop JavaScript Functions**: - Write four separate functions to handle addition, subtraction, multiplication, and division. 2. **Create the HTML Structure**: - Develop the necessary interface elements including labels, input fields for numbers, and buttons for operations. 3. **Style the Calculator with CSS**: - Apply styles to make your calculator visually appealing and clear. ### Example Layout: Below is a visual representation of the calculator interface: **Title and Institution Information**: - **Course**: CSW123 Introduction to Web Development - **Institution**: University of Mount Union - **Assignment Number**: Assignment 8 **Calculator Interface**: - **Section Title**: Simple Calculator Application - **Input Fields**: - **Enter number 1**: [text field] - **Enter number 2**: [text field] - **Result**: [text field for output] - **Operation Buttons**: - Add - Subtract - Multiply - Divide **Example UI**: The user interface is designed with simplicity in mind, ensuring ease of use. This exercise demonstrates not only fundamental programming but also the integration of different web development technologies to create interactive web applications.
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