Algorithm for Calculator application

[Aaron Angel]

I need an algorithm for developing a calculator application. When I googled , I got results that perform the ordinary push and pop operations . I need the complete algorithm that can be useful to code a calculator application in GUI.

 

[DavidSnider]

What is the goal of your project?

You could just download a library that evaluates mathematical expressions (or use a language feature like 'eval') and then have your GUI build strings to feed it.

If you want to know how expressions are parsed you might want to look into lex and yacc
http://en.wikipedia.org/wiki/Lex_(software)

 

[Aaron Angel]

I am trying to develop a simple GUI calculator in matlab. I am going to perform simple operations like +-*/ . that's it.

 

[DavidSnider]

I don't know MATLAB very well, but I'm guessing you don't need to worry about the algorithm, just use their GUI library to build strings and then feed those strings into matlab's eval function.

 

[LudusRex]

I understand the importance of developing a precise and efficient algorithm for a calculator application. After researching and reviewing various existing algorithms, I have devised the following steps that can be used to create a calculator application in a GUI format:

1. Initialize the calculator: The first step is to initialize the calculator by creating a blank display screen and setting all variables to zero.

2. Accept input: The calculator should be able to accept user input through a graphical interface. This can be achieved by using buttons or a keyboard.

3. Store input: Once the user enters a number or operation, it should be stored in a variable for further processing.

4. Perform basic operations: The calculator should be able to perform basic arithmetic operations such as addition, subtraction, multiplication, and division. This can be achieved by using conditional statements and mathematical functions.

5. Handle complex operations: In addition to basic operations, the calculator should be able to handle complex operations such as square root, exponentials, and trigonometric functions. This can be achieved by using appropriate mathematical functions and algorithms.

6. Display results: After each operation, the result should be displayed on the screen for the user to see.

7. Handle errors: The calculator should be able to handle errors such as division by zero or invalid input. This can be achieved by using conditional statements and exception handling.

8. Clear or reset: The calculator should have a clear or reset button to clear the display screen and reset all variables to zero.

9. Repeat: The calculator should continue accepting user input and performing operations until the user chooses to exit.

10. Exit: Finally, the user should have the option to exit the calculator application.

In conclusion, by following these steps, one can create a comprehensive algorithm for a calculator application in a GUI format. However, it is important to continuously test and refine the algorithm to ensure accuracy and efficiency.