Amazing-Python-Scripts

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from tkinter import *
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window = Tk()
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window.title("Standard Binary Calculator")
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window.resizable(0, 0)
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# Function to clear the entry field
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def f1():
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    s = e1_val.get()
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    e1.delete(first=0, last=len(s))
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# Function to add "1" to the entry field
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def f2():
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    s = e1_val.get()
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    e1.insert(END, "1")
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# Function to add "0" to the entry field
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def f3():
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    s = e1_val.get()
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    e1.insert(END, "0")
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# Function to evaluate the expression and display the result
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def f4():
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    s = e1_val.get()
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    result = evaluate_expression(s)
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    e1.delete(first=0, last=len(s))
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    e1.insert(END, result)
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# Function to add "+" operator to the entry field
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def f5():
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    e1.insert(END, "+")
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# Function to add "-" operator to the entry field
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def f6():
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    e1.insert(END, "-")
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# Function to add "/" operator to the entry field
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def f7():
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    e1.insert(END, "/")
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# Function to add "X" operator to the entry field
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def f8():
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    e1.insert(END, "X")
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# Function to negate the sign of the number in the entry field
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def negate():
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    s = e1_val.get()
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    if s.startswith("-"):
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        e1_val.set(s[1:])
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    else:
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        e1_val.set("-" + s)
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# Function to delete the last character in the entry field
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def backspace():
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    s = e1_val.get()
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    e1_val.set(s[:-1])
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# Function to convert binary to decimal
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def binary_to_decimal(n):
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    num = n
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    dec_value = 0
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    base = 1
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    temp = num
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    while temp:
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        last_digit = temp % 10
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        temp = temp // 10
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        dec_value += last_digit * base
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        base = base * 2
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    return dec_value
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# Function to convert decimal to binary
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def decimal_to_binary(n):
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    if n == 0:
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        return '0'
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    binary = ''
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    while n > 0:
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        binary = str(n % 2) + binary
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        n = n // 2
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    return binary
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# Function to evaluate the expression
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def evaluate_expression(expression):
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    x = 0
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    s = expression
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    flag = 1
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    for i in range(0, len(s)):
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        if s[i] == '/' or s[i] == 'X' or s[i] == '+' or s[i] == '-':
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            flag = 0
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            a = s[0:i]
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            b = s[i + 1:len(s)]
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            if s[i] == '-':
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                x = sub(int(a), int(b))
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            elif s[i] == '/':
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                x = int(int(a) / int(b))
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            elif s[i] == 'X':
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                x = int(int(a) * int(b))
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            elif s[i] == '+':
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                x = int(add(int(a), int(b)))
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    if flag == 0:
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        return str(x)
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    return ""
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# Function to perform binary addition
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def add(x, y):
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    a = binary_to_decimal(x)
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    b = binary_to_decimal(y)
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    c = a + b
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    d = decimal_to_binary(c)
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    return d
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# Function to perform binary subtraction
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def sub(x, y):
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    a = binary_to_decimal(x)
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    b = binary_to_decimal(y)
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    c = a - b
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    d = decimal_to_binary(c)
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    return d
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# Creating a StringVar to store the value of the entry field
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e1_val = StringVar()
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# Creating the entry field
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e1 = Entry(window, textvariable=e1_val, width=50)
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e1.grid(row=0, column=0, columnspan=4)
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# Creating number buttons
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b1 = Button(window, text="1", width=8, height=2, command=f2)
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b1.grid(row=1, column=0)
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b0 = Button(window, text="0", width=8, height=2, command=f3)
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b0.grid(row=1, column=1)
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# Creating clear button
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clear = Button(window, text="C", width=8, height=2, command=f1)
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clear.grid(row=1, column=2)
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# Creating equals button
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beq = Button(window, text="=", width=8, height=2, command=f4)
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beq.grid(row=1, column=3)
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# Creating operator buttons
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badd = Button(window, text="+", width=8, height=2, command=f5)
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badd.grid(row=2, column=0)
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bsub = Button(window, text="-", width=8, height=2, command=f6)
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bsub.grid(row=2, column=1)
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bmul = Button(window, text="X", width=8, height=2, command=f8)
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bmul.grid(row=2, column=2)
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bdiv = Button(window, text="/", width=8, height=2, command=f7)
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bdiv.grid(row=2, column=3)
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# Creating additional buttons
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bnegate = Button(window, text="+/-", width=8, height=2, command=negate)
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bnegate.grid(row=3, column=0)
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bbackspace = Button(window, text="⌫", width=8, height=2, command=backspace)
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bbackspace.grid(row=3, column=1)
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bbinary = Button(window, text="Bin to Dec", width=12,
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                 height=2, command=on_binary)
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bbinary.grid(row=3, column=2)
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bdecimal = Button(window, text="Dec to Bin", width=12,
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                  height=2, command=on_decimal)
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bdecimal.grid(row=3, column=3)
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# Function to convert binary to decimal and update entry field
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def on_binary():
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    s = e1_val.get()
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    decimal = binary_to_decimal(s)
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    e1_val.set(decimal_to_binary(decimal))
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# Function to convert decimal to binary and update entry field
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def on_decimal():
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    s = e1_val.get()
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    binary = decimal_to_binary(int(s))
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    e1_val.set(binary)
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window.mainloop()
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