Ich bin relativ neu im Python Forum und meine Begeisterung hebt sich stetig an 
.Ich habe da ein Problem mit der Programmierung eines Taschenrechners.
Bitte nicht vom Layout erschrecken, noch in bearbeitung :3.
Mein Problem: In den Taschenrechner habe ich schon den Button für die Wurzel hinzugefügt weiß aber nicht wie ich es programmieren soll.
Könnt ihr mir bitte helfen?
Code: Alles auswählen
from tkinter import *
class calculator:
def __init__(self):
self.root = Tk()
self.menu = Menu(self.root, foreground="green")
self.menu.add_command(label="Quit", command=self.root.destroy)
self.root.config(menu=self.menu)
self.root.title("Taschenrechner")
self.display = Entry(self.root)
self.display.grid(row=1, column=0, columnspan=5)
self.dot = False
self.equalsdone = False
Label(self.root).grid(row=2, column=0)
Button(self.root, text="1", width=7, foreground="gray50", command=lambda: self.addNumber("1")).grid(row=4, column=0)
Button(self.root, text="2", width=7, foreground="gray50", command=lambda: self.addNumber("2")).grid(row=4, column=1)
Button(self.root, text="3", width=7, foreground="gray50", command=lambda: self.addNumber("3")).grid(row=4, column=2)
Button(self.root, text="4", width=7, foreground="gray50", command=lambda: self.addNumber("4")).grid(row=5, column=0)
Button(self.root, text="5", width=7, foreground="gray50", command=lambda: self.addNumber("5")).grid(row=5, column=1)
Button(self.root, text="6", width=7, foreground="gray50", command=lambda: self.addNumber("6")).grid(row=5, column=2)
Button(self.root, text="7", width=7, foreground="gray50", command=lambda: self.addNumber("7")).grid(row=6, column=0)
Button(self.root, text="8", width=7, foreground="gray50", command=lambda: self.addNumber("8")).grid(row=6, column=1)
Button(self.root, text="9", width=7, foreground="gray50", command=lambda: self.addNumber("9")).grid(row=6, column=2)
Button(self.root, text="0", width=7, foreground="gray50", command=lambda: self.addNumber("0")).grid(row=7, column=1)
Button(self.root, text=".", width=7, foreground="red" , command=lambda: self.addNumber(".")).grid(row=7, column=0)
Button(self.root, text="=", width=13, command=lambda: self.Equals()).grid(row=8, column=2, columnspan=2)
Button(self.root, text="(", width=7, foreground="red", command=lambda: self.addNumber("(")).grid(row=8, column=0)
Button(self.root, text=")", width=7, foreground="red", command=lambda: self.addNumber(")")).grid(row=8, column=1)
Button(self.root, text="x", width=7, foreground="red", command=lambda: self.addNumber("x")).grid(row=4, column=3)
Button(self.root, text="÷", width=7, foreground="red", command=lambda: self.addNumber("÷")).grid(row=5, column=3)
Button(self.root, text="√", width=7, foreground="red", command=lambda: self.addNumber("√")).grid(row=7, column=2)
Button(self.root, text="-", width=7, foreground="red", command=lambda: self.addNumber("-")).grid(row=6, column=3)
Button(self.root, text="+", width=7, foreground="red", command=lambda: self.addNumber("+")).grid(row=7, column=3)
Button(self.root, text="C", width=7, command=lambda:self.clear("all")).grid(row=3, column=3)
Button(self.root, text="Del.", width=7, command=lambda:self.clear("1")).grid(row=3, column=2)
def clear(self, amount):
if amount == "all":
self.display.delete(0, END)
elif amount == "1":
if self.equalsdone == True:
self.equalsdone = False
y = self.display.get()
yAct = y[1:]
self.display.delete(0, END)
self.display.insert(0, yAct)
self.display.delete(len(yAct)-1, END)
else:
z = len(self.display.get())
self.display.delete(z-1, END)
def addNumber(self, number):
if self.equalsdone == True:
self.equalsdone = False
if number == "x" or number == "÷" or number == "+" or number == "-":
y = self.display.get()
yAct = y[1:]
self.display.delete(0, END)
self.display.insert(0, yAct)
self.display.insert(END, number)
else:
self.display.delete(0, END)
self.display.insert(0, number)
elif number == ".":
if self.dot == True:
pass
else:
self.dot = True
self.display.insert(END, number)
elif number == "x" or number == "-"or number == "+"or number == "÷":
self.dot = False
self.display.insert(END, number)
else:
self.display.insert(END, number)
def doEquation(self, operator):
def setwaiting(operator):
if operator == "x":
self.waitingx = True
if operator == "÷":
self.waitingd = True
if operator == "+":
self.waitingp = True
if operator == "-":
self.waitingt = True
if self.waiting == False:
self.waiting = True
setwaiting(operator)
elif self.waitingx == True:
self.waitingx = False
setwaiting(operator)
self.no1f = float(self.no1)
self.no2f = float(self.no2)
x = self.no1f*self.no2f
self.no1 = str(x)
self.no2 = ""
print(self.no1)
elif self.waitingd == True:
self.waitingd = False
setwaiting(operator)
self.no1f = float(self.no1)
self.no2f = float(self.no2)
x = self.no1f/self.no2f
self.no1 = str(x)
self.no2 = ""
print(self.no1)
elif self.waitingt == True:
self.waitingt = False
setwaiting(operator)
self.no1f = float(self.no1)
self.no2f = float(self.no2)
x = self.no1f-self.no2f
self.no1 = str(x)
self.no2 = ""
print(self.no1)
elif self.waitingp == True:
self.waitingp = False
setwaiting(operator)
self.no1f = float(self.no1)
self.no2f = float(self.no2)
x = self.no1f+self.no2f
self.no1 = str(x)
self.no2 = ""
print(self.no1)
else:
setwaiting(operator)
def Equals(self):
self.length = len(self.display.get())
self.equation = self.display.get()
self.waiting = False
self.no1 = ""
self.no2 = ""
self.lena = 0
self.waitingx = False
self.waitingd = False
self.waitingt = False
self.waitingp = False
for item in self.equation:
self.lena += 1
if item == "x":
self.doEquation(operator="x")
elif item == "÷":
self.doEquation(operator="÷")
elif item == "-":
self.doEquation(operator="-")
elif item == "+":
self.doEquation(operator="+")
else:
if self.waiting == False:
self.no1 += item
elif self.waiting == True:
self.no2 += item
if self.lena == self.length:
self.doEquation(operator=False)
self.display.delete(0, END)
self.display.insert(0, "=" + self.no1)
self.equalsdone = True
calculator()
EliteTurtle