Discover public questions
Creating a simple calculation app can be a fun and educational project! Below, I'll outline a basic structure for a calculation app using Python with a graphical user interface (GUI) using Tkinter. This app will perform basic arithmetic operations like addition, subtraction, multiplication, and division.
Make sure you have Python installed on your computer. You can download it from python.org. Tkinter comes pre-installed with Python, so you don't need to install it separately.
Here's a simple example of a calculation app using Tkinter:
import tkinter as tk
class Calculator:
def __init__(self, master):
self.master = master
master.title("Simple Calculator")
self.result_var = tk.StringVar()
self.entry = tk.Entry(master, textvariable=self.result_var, width=16, font=('Arial', 24), bd=5, insertwidth=4, bg="powder blue", justify='right')
self.entry.grid(row=0, column=0, columnspan=4)
self.create_buttons()
def create_buttons(self):
buttons = [
('7', 1, 0), ('8', 1, 1), ('9', 1, 2), ('/', 1, 3),
('4', 2, 0), ('5', 2, 1), ('6', 2, 2), ('*', 2, 3),
('1', 3, 0), ('2', 3, 1), ('3', 3, 2), ('-', 3, 3),
('0', 4, 0), ('.', 4, 1), ('+', 4, 2), ('=', 4, 3),
('C', 5, 0)
]
for (text, row, col) in buttons:
if text == '=':
button = tk.Button(self.master, text=text, padx=20, pady=20, command=self.calculate)
elif text == 'C':
button = tk.Button(self.master, text=text, padx=20, pady=20, command=self.clear)
else:
button = tk.Button(self.master, text=text, padx=20, pady=20, command=lambda t=text: self.append_to_expression(t))
button.grid(row=row, column=col)
def append_to_expression(self, value):
current_expression = self.result_var.get()
new_expression = current_expression + str(value)
self.result_var.set(new_expression)
def calculate(self):
try:
result = eval(self.result_var.get())
self.result_var.set(result)
except Exception as e:
self.result_var.set("Error")
def clear(self):
self.result_var.set("")
if __name__ == "__main__":
root = tk.Tk()
calculator = Calculator(root)
root.mainloop()
Copy the code above into a Python file, for example, calculator.py.
Open your terminal or command prompt.
Navigate to the directory where you saved the file.
Run the app using the command:
python calculator.py
You can enhance this app by adding more features, such as:
This basic structure should give you a good starting point for creating your own calculation app!