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calcGui.py
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from tkinter import *
def addition():
global butClick, answerDisp, errorText, mode, process
# Get the values from the entry widgets and convert them to float
number1 = firstNumEntry1.get()
number2 = secondNumEntry1.get()
if butClick % 2 == 0:
try:
floatNum1 = float(number1)
floatNum2 = float(number2)
answer = floatNum1 + floatNum2
ansTxt = "Calculation: " + number1 + " + " + number2
answerDisp = Label(root, text="= " + str(answer))
answerDisp.grid(row=6, column=0,columnspan=5,sticky="w")
mode = Label(root,text="Mode: [Add]")
mode.grid(row=4,column=0,pady=5)
process = Label(root,text=ansTxt)
process.grid(row=5,column=0,columnspan=5,sticky="w")
except ValueError:
errorText = Label(root, text="Error, try again.")
errorText.grid(row=6, column=0,columnspan=3)
else:
answerDisp.grid_forget()
errorText.grid_forget()
mode.grid_forget()
process.grid_forget()
butClick += 1
def substraction():
global butClick, answerDisp, errorText, mode, process
# Get the values from the entry widgets and convert them to float
number1 = firstNumEntry1.get()
number2 = secondNumEntry1.get()
if butClick % 2 == 0:
try:
floatNum1 = float(number1)
floatNum2 = float(number2)
answer = floatNum1 - floatNum2
ansTxt = "Calculation: " + number1 + " - " + number2
answerDisp = Label(root, text="= " + str(answer))
answerDisp.grid(row=6, column=0,columnspan=5,sticky="w")
mode = Label(root,text="Mode: [Sub]")
mode.grid(row=4,column=0,pady=5)
process = Label(root,text=ansTxt)
process.grid(row=5,column=0,columnspan=5,sticky="w")
except ValueError:
errorText = Label(root, text="Error, try again.")
errorText.grid(row=6, column=0,columnspan=3)
else:
answerDisp.grid_forget()
errorText.grid_forget()
mode.grid_forget()
process.grid_forget()
butClick += 1
def multiplication():
global butClick, answerDisp, errorText,mode, process
# Get the values from the entry widgets and convert them to float
number1 = firstNumEntry1.get()
number2 = secondNumEntry1.get()
if butClick % 2 == 0:
try:
floatNum1 = float(number1)
floatNum2 = float(number2)
answer = floatNum1 * floatNum2
ansTxt = "Calculation: " + number1 + " * " + number2
answerDisp = Label(root, text="= " + str(answer))
answerDisp.grid(row=6, column=0,columnspan=5,sticky="w")
mode = Label(root,text="Mode: [Mul]")
mode.grid(row=4,column=0,pady=5)
process = Label(root,text=ansTxt)
process.grid(row=5,column=0,columnspan=5,sticky="w")
except ValueError:
errorText = Label(root, text="Error, try again.")
errorText.grid(row=6, column=0,columnspan=3)
else:
answerDisp.grid_forget()
errorText.grid_forget()
mode.grid_forget()
process.grid_forget()
butClick += 1
def division():
global butClick, answerDisp, errorText, mode, process
# Get the values from the entry widgets and convert them to float
number1 = firstNumEntry1.get()
number2 = secondNumEntry1.get()
if butClick % 2 == 0:
try:
floatNum1 = float(number1)
floatNum2 = float(number2)
answer = floatNum1 / floatNum2
ansTxt = "Calculation: " + number1 + " / " + number2
answerDisp = Label(root, text="= " + str(answer))
answerDisp.grid(row=6, column=0,columnspan=5,sticky="w")
mode = Label(root,text="Mode: [Div]")
mode.grid(row=4,column=0,pady=5)
process = Label(root,text=ansTxt)
process.grid(row=5,column=0,columnspan=5,sticky="w")
except ValueError:
errorText = Label(root, text="Error, try again.")
errorText.grid(row=6, column=0,columnspan=3)
else:
answerDisp.grid_forget()
errorText.grid_forget()
mode.grid_forget()
process.grid_forget()
butClick += 1
root = Tk()
root.geometry("260x160")
root.title("Compact Calculator")
root.resizable(False, False)
root.iconbitmap("calcGui.ico")
# initialization
butClick = 0
answerDisp = Label(root, text="")
errorText = Label(root, text="")
mode = Label(root, text="")
process = Label(root, text="")
# entry/button data
firstNumTxt1 = Label(root, text="First Number: ").grid(row=1, column=0, sticky="e")
secondNumTxt1 = Label(root, text="Second Number: ", pady=5).grid(row=2, column=0, sticky="e")
opText = Label(root, text="Choose Operation: ").grid(row=3, column=0, sticky="w", rowspan=1)
firstNumEntry1 = Entry(root)
secondNumEntry1 = Entry(root)
addBut = Button(root, text="Add", padx=15, command=addition)
subBut = Button(root, text="Subtract", padx=4, command=substraction)
mulBut = Button(root, text="Multiply", padx=4, command=multiplication)
divBut = Button(root, text="Divide", padx=9, command=division)
# entry/button grid
firstNumEntry1.grid(row=1, column=1, columnspan=2)
secondNumEntry1.grid(row=2, column=1, columnspan=2)
addBut.grid(row=3, column=1, sticky="es")
subBut.grid(row=3, column=2, sticky="ws")
mulBut.grid(row=4, column=1, sticky="en")
divBut.grid(row=4, column=2, sticky="wn")
root.mainloop()