Калькулятор python

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Katya

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Пользователь
Янв 3, 2021
16
0
1
Здравствуйте. Есть код, нужно дописать функцию для вычисления факториала и добавить константы П(3,1415926)и е(2,71828)
Код: 
from tkinter import *


class Main(Frame):
    def __init__(self, root):
        super(Main, self).__init__(root)
        self.build()

    def build(self):
        self.formula = "0"
        self.lbl = Label(text=self.formula, font=("Times New Roman", 21, "bold"), bg="#000", foreground="#FFF")
        self.lbl.place(x=11, y=50)

        btns = [
            "C", "DEL", "*", "=",
            "1", "2", "3", "/",
            "4", "5", "6", "+",
            "7", "8", "9", "-",
            "(", "0", ")", "X^2"
        ]

        x = 10
        y = 140
        for bt in btns:
            com = lambda x=bt: self.logicalc(x)
            Button(text=bt, bg="#FFF",
                   font=("Times New Roman", 15),
                   command=com).place(x=x, y=y,
                                      width=115,
                                      height=79)
            x += 117
            if x > 400:
                x = 10
                y += 81

    def logicalc(self, operation):
        if operation == "C":
            self.formula = ""
        elif operation == "DEL":
            self.formula = self.formula[0:-1]
        elif operation == "X^2":
            self.formula = str((eval(self.formula))**2)
        elif operation == "=":
            self.formula = str(eval(self.formula))
        else:
            if self.formula == "0":
                self.formula = ""
            self.formula += operation
        self.update()

    def update(self):
        if self.formula == "":
            self.formula = "0"
        self.lbl.configure(text=self.formula)
        

if name == '__main__':
    root = Tk()
    root["bg"] = "#000"
    root.geometry("485x550+200+200")
    root.title("Калькулятор")
    root.resizable(False, False)
    app = Main(root)
    app.pack()
    root.mainloop()
 
0
R

regnor

Модератор
Команда форума
Модератор
Июл 7, 2020
2 589
459
83
вы что то сдаете? какие то зачеты? откуда столько вопросов по ткинтер? при чем никак не связанные с предыдущими вашими темами...
 
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K

Katya

Новичок
Пользователь
Янв 3, 2021
16
0
1
regnor сказал(а):
вы что то сдаете? какие то зачеты? откуда столько вопросов по ткинтер? при чем никак не связанные с предыдущими вашими темами...
Нажмите, чтобы раскрыть...
Да, делаю лабораторные. Но преподаватель ничего нормально не объясняет и материалы не дает.
 
0
R

regnor

Модератор
Команда форума
Модератор
Июл 7, 2020
2 589
459
83
как то так
Python: 
from tkinter import *


class Main(Frame):
    def __init__(self, root):
        super(Main, self).__init__(root)
        self.build()

    def build(self):
        self.formula = "0"
        self.lbl = Label(text=self.formula, font=("Times New Roman", 21, "bold"), bg="#000", foreground="#FFF")
        self.lbl.place(x=11, y=50)

        btns = [
            "C", "DEL", "*", "=",
            "1", "2", "3", "/",
            "4", "5", "6", "+",
            "7", "8", "9", "-",
            "(", "0", ")", "X^2",
            "π", "e"
        ]

        x = 10
        y = 140
        for bt in btns:
            com = lambda x=bt: self.logicalc(x)
            Button(text=bt, bg="#FFF",
                   font=("Times New Roman", 15),
                   command=com).place(x=x, y=y,
                                      width=115,
                                      height=79)
            x += 117
            if x > 400:
                x = 10
                y += 81

    def logicalc(self, operation):
        if operation == "C":
            self.formula = ""
        elif operation == "DEL":
            self.formula = self.formula[0:-1]
        elif operation == "X^2":
            self.formula = str((eval(self.formula)) ** 2)
        elif operation == "=":
            self.formula = str(eval(self.formula))
        elif operation == "π":
            pi = str(3.1415926)
            if self.formula == "0":
                self.formula = ""
            self.formula += pi
        elif operation == "e":
            e = str(2.71828)
            if self.formula == "0":
                self.formula = ""
            self.formula += e
        else:
            if self.formula == "0":
                self.formula = ""
            self.formula += operation
        self.update()

    def update(self):
        if self.formula == "":
            self.formula = "0"
        self.lbl.configure(text=self.formula)


if __name__ == '__main__':
    root = Tk()
    root["bg"] = "#000"
    root.geometry("490x630")
    root.title("Калькулятор")
    root.resizable(False, False)
    app = Main(root)
    app.pack()
    root.mainloop()
 
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Реакции: Katya
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K

Katya

Новичок
Пользователь
Янв 3, 2021
16
0
1
regnor сказал(а):
как то так
Python: 
from tkinter import *


class Main(Frame):
    def __init__(self, root):
        super(Main, self).__init__(root)
        self.build()

    def build(self):
        self.formula = "0"
        self.lbl = Label(text=self.formula, font=("Times New Roman", 21, "bold"), bg="#000", foreground="#FFF")
        self.lbl.place(x=11, y=50)

        btns = [
            "C", "DEL", "*", "=",
            "1", "2", "3", "/",
            "4", "5", "6", "+",
            "7", "8", "9", "-",
            "(", "0", ")", "X^2",
            "π", "e"
        ]

        x = 10
        y = 140
        for bt in btns:
            com = lambda x=bt: self.logicalc(x)
            Button(text=bt, bg="#FFF",
                   font=("Times New Roman", 15),
                   command=com).place(x=x, y=y,
                                      width=115,
                                      height=79)
            x += 117
            if x > 400:
                x = 10
                y += 81

    def logicalc(self, operation):
        if operation == "C":
            self.formula = ""
        elif operation == "DEL":
            self.formula = self.formula[0:-1]
        elif operation == "X^2":
            self.formula = str((eval(self.formula)) ** 2)
        elif operation == "=":
            self.formula = str(eval(self.formula))
        elif operation == "π":
            pi = str(3.1415926)
            if self.formula == "0":
                self.formula = ""
            self.formula += pi
        elif operation == "e":
            e = str(2.71828)
            if self.formula == "0":
                self.formula = ""
            self.formula += e
        else:
            if self.formula == "0":
                self.formula = ""
            self.formula += operation
        self.update()

    def update(self):
        if self.formula == "":
            self.formula = "0"
        self.lbl.configure(text=self.formula)


if __name__ == '__main__':
    root = Tk()
    root["bg"] = "#000"
    root.geometry("490x630")
    root.title("Калькулятор")
    root.resizable(False, False)
    app = Main(root)
    app.pack()
    root.mainloop()
Нажмите, чтобы раскрыть...
Спасибо большое:);):)
 
0
K

Katya

Новичок
Пользователь
Янв 3, 2021
16
0
1
regnor сказал(а):
как то так
Python: 
from tkinter import *


class Main(Frame):
    def __init__(self, root):
        super(Main, self).__init__(root)
        self.build()

    def build(self):
        self.formula = "0"
        self.lbl = Label(text=self.formula, font=("Times New Roman", 21, "bold"), bg="#000", foreground="#FFF")
        self.lbl.place(x=11, y=50)

        btns = [
            "C", "DEL", "*", "=",
            "1", "2", "3", "/",
            "4", "5", "6", "+",
            "7", "8", "9", "-",
            "(", "0", ")", "X^2",
            "π", "e"
        ]

        x = 10
        y = 140
        for bt in btns:
            com = lambda x=bt: self.logicalc(x)
            Button(text=bt, bg="#FFF",
                   font=("Times New Roman", 15),
                   command=com).place(x=x, y=y,
                                      width=115,
                                      height=79)
            x += 117
            if x > 400:
                x = 10
                y += 81

    def logicalc(self, operation):
        if operation == "C":
            self.formula = ""
        elif operation == "DEL":
            self.formula = self.formula[0:-1]
        elif operation == "X^2":
            self.formula = str((eval(self.formula)) ** 2)
        elif operation == "=":
            self.formula = str(eval(self.formula))
        elif operation == "π":
            pi = str(3.1415926)
            if self.formula == "0":
                self.formula = ""
            self.formula += pi
        elif operation == "e":
            e = str(2.71828)
            if self.formula == "0":
                self.formula = ""
            self.formula += e
        else:
            if self.formula == "0":
                self.formula = ""
            self.formula += operation
        self.update()

    def update(self):
        if self.formula == "":
            self.formula = "0"
        self.lbl.configure(text=self.formula)


if __name__ == '__main__':
    root = Tk()
    root["bg"] = "#000"
    root.geometry("490x630")
    root.title("Калькулятор")
    root.resizable(False, False)
    app = Main(root)
    app.pack()
    root.mainloop()
Нажмите, чтобы раскрыть...
А можете пожалуйста для факториала исправить функцию?
Код: 
from tkinter import *


class Main(Frame):
    def __init__(self, root):
        super(Main, self).__init__(root)
        self.build()

    def build(self):
        self.formula = "0"
        self.lbl = Label(text=self.formula, font=("Times New Roman", 21, "bold"), bg="#000", foreground="#FFF")
        self.lbl.place(x=11, y=50)

        btns = [
            "C", "DEL", "*", "=",
            "1", "2", "3", "/",
            "4", "5", "6", "+",
            "7", "8", "9", "-",
            "(", "0", ")", "X^2",
            "π", "e", "Fact"
        ]

        x = 10
        y = 140
        for bt in btns:
            com = lambda x=bt: self.logicalc(x)
            Button(text=bt, bg="#FFF",
                   font=("Times New Roman", 15),
                   command=com).place(x=x, y=y,
                                      width=115,
                                      height=79)
            x += 117
            if x > 400:
                x = 10
                y += 81

    def logicalc(self, operation):
        if operation == "C":
            self.formula = ""
        elif operation == "DEL":
            self.formula = self.formula[0:-1]
        elif operation == "X^2":
            self.formula = str((eval(self.formula)) ** 2)
        elif operation == "=":
            self.formula = str(eval(self.formula))
        elif operation == "π":
            pi = str(3.1415926)
            if self.formula == "0":
                self.formula = ""
            self.formula += pi
        elif operation == "Fact":
            factorial = 1
            while self.formula > 1:
                factorial *= self.formula
                self.formula -= 1
        elif operation == "e":
            e = str(2.71828)
            if self.formula == "0":
                self.formula = ""
            self.formula += e
        else:
            if self.formula == "0":
                self.formula = ""
            self.formula += operation
        self.update()

    def update(self):
        if self.formula == "":
            self.formula = "0"
        self.lbl.configure(text=self.formula)


if name == '__main__':
    root = Tk()
    root["bg"] = "#000"
    root.geometry("490x630")
    root.title("Калькулятор")
    root.resizable(False, False)
    app = Main(root)
    app.pack()
    root.mainloop()
 
0
R

regnor

Модератор
Команда форума
Модератор
Июл 7, 2020
2 589
459
83
Katya сказал(а):
А можете пожалуйста для факториала исправить функцию?
Код: 
from tkinter import *


class Main(Frame):
    def __init__(self, root):
        super(Main, self).__init__(root)
        self.build()

    def build(self):
        self.formula = "0"
        self.lbl = Label(text=self.formula, font=("Times New Roman", 21, "bold"), bg="#000", foreground="#FFF")
        self.lbl.place(x=11, y=50)

        btns = [
            "C", "DEL", "*", "=",
            "1", "2", "3", "/",
            "4", "5", "6", "+",
            "7", "8", "9", "-",
            "(", "0", ")", "X^2",
            "π", "e", "Fact"
        ]

        x = 10
        y = 140
        for bt in btns:
            com = lambda x=bt: self.logicalc(x)
            Button(text=bt, bg="#FFF",
                   font=("Times New Roman", 15),
                   command=com).place(x=x, y=y,
                                      width=115,
                                      height=79)
            x += 117
            if x > 400:
                x = 10
                y += 81

    def logicalc(self, operation):
        if operation == "C":
            self.formula = ""
        elif operation == "DEL":
            self.formula = self.formula[0:-1]
        elif operation == "X^2":
            self.formula = str((eval(self.formula)) ** 2)
        elif operation == "=":
            self.formula = str(eval(self.formula))
        elif operation == "π":
            pi = str(3.1415926)
            if self.formula == "0":
                self.formula = ""
            self.formula += pi
        elif operation == "Fact":
            factorial = 1
            while self.formula > 1:
                factorial *= self.formula
                self.formula -= 1
        elif operation == "e":
            e = str(2.71828)
            if self.formula == "0":
                self.formula = ""
            self.formula += e
        else:
            if self.formula == "0":
                self.formula = ""
            self.formula += operation
        self.update()

    def update(self):
        if self.formula == "":
            self.formula = "0"
        self.lbl.configure(text=self.formula)


if name == '__main__':
    root = Tk()
    root["bg"] = "#000"
    root.geometry("490x630")
    root.title("Калькулятор")
    root.resizable(False, False)
    app = Main(root)
    app.pack()
    root.mainloop()
Нажмите, чтобы раскрыть...
Python: 
from tkinter import *
import math


class Main(Frame):
    def __init__(self, root):
        super(Main, self).__init__(root)
        self.build()

    def build(self):
        self.formula = "0"
        self.lbl = Label(text=self.formula, font=("Times New Roman", 21, "bold"), bg="#000", foreground="#FFF")
        self.lbl.place(x=11, y=50)

        btns = [
            "C", "DEL", "*", "=",
            "1", "2", "3", "/",
            "4", "5", "6", "+",
            "7", "8", "9", "-",
            "(", "0", ")", "X^2",
            "π", "e", "Fact"
        ]

        x = 10
        y = 140
        for bt in btns:
            com = lambda x=bt: self.logicalc(x)
            Button(text=bt, bg="#FFF",
                   font=("Times New Roman", 15),
                   command=com).place(x=x, y=y,
                                      width=115,
                                      height=79)
            x += 117
            if x > 400:
                x = 10
                y += 81

    def logicalc(self, operation):
        if operation == "C":
            self.formula = ""
        elif operation == "DEL":
            self.formula = self.formula[0:-1]
        elif operation == "X^2":
            self.formula = str((eval(self.formula)) ** 2)
        elif operation == "=":
            self.formula = str(eval(self.formula))
        elif operation == "π":
            pi = str(3.1415926)
            if self.formula == "0":
                self.formula = ""
            self.formula += pi
        elif operation == "Fact":
            self.formula = math.factorial(int(self.formula))
            self.formula = str(self.formula)
        elif operation == "e":
            e = str(2.71828)
            if self.formula == "0":
                self.formula = ""
            self.formula += e
        else:
            if self.formula == "0":
                self.formula = ""
            self.formula += operation
        self.update()

    def update(self):
        if self.formula == "":
            self.formula = "0"
        self.lbl.configure(text=self.formula)


if __name__ == '__main__':
    root = Tk()
    root["bg"] = "#000"
    root.geometry("490x630")
    root.title("Калькулятор")
    root.resizable(False, False)
    app = Main(root)
    app.pack()
    root.mainloop()
 
  • Мне нравится
Реакции: Katya
0
K

Katya

Новичок
Пользователь
Янв 3, 2021
16
0
1
regnor сказал(а):
Python: 
from tkinter import *
import math


class Main(Frame):
    def __init__(self, root):
        super(Main, self).__init__(root)
        self.build()

    def build(self):
        self.formula = "0"
        self.lbl = Label(text=self.formula, font=("Times New Roman", 21, "bold"), bg="#000", foreground="#FFF")
        self.lbl.place(x=11, y=50)

        btns = [
            "C", "DEL", "*", "=",
            "1", "2", "3", "/",
            "4", "5", "6", "+",
            "7", "8", "9", "-",
            "(", "0", ")", "X^2",
            "π", "e", "Fact"
        ]

        x = 10
        y = 140
        for bt in btns:
            com = lambda x=bt: self.logicalc(x)
            Button(text=bt, bg="#FFF",
                   font=("Times New Roman", 15),
                   command=com).place(x=x, y=y,
                                      width=115,
                                      height=79)
            x += 117
            if x > 400:
                x = 10
                y += 81

    def logicalc(self, operation):
        if operation == "C":
            self.formula = ""
        elif operation == "DEL":
            self.formula = self.formula[0:-1]
        elif operation == "X^2":
            self.formula = str((eval(self.formula)) ** 2)
        elif operation == "=":
            self.formula = str(eval(self.formula))
        elif operation == "π":
            pi = str(3.1415926)
            if self.formula == "0":
                self.formula = ""
            self.formula += pi
        elif operation == "Fact":
            self.formula = math.factorial(int(self.formula))
            self.formula = str(self.formula)
        elif operation == "e":
            e = str(2.71828)
            if self.formula == "0":
                self.formula = ""
            self.formula += e
        else:
            if self.formula == "0":
                self.formula = ""
            self.formula += operation
        self.update()

    def update(self):
        if self.formula == "":
            self.formula = "0"
        self.lbl.configure(text=self.formula)


if __name__ == '__main__':
    root = Tk()
    root["bg"] = "#000"
    root.geometry("490x630")
    root.title("Калькулятор")
    root.resizable(False, False)
    app = Main(root)
    app.pack()
    root.mainloop()
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Спасибооо?
 
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