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منبع جامع سوالات و تمرینات برنامه نویسی

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ماشین حساب حرفه ای

Admin آسان 33/ دانلود 1260 بازدید

برنامه ای بنویسید که دارای محیط گرافیکی باشد و بتواند عملیات جمع، تفریق، ضرب و تقسیم را روی تعداد بینهایت عدد انجام دهد. (دقیقا مانند یک ماشین حساب واقعی)

5 جواب

نمیتونم این تمرین رو حل کنم!
2
+1
+1 
import kivy
from kivy.app import App
from kivy.uix.textinput import TextInput
from kivy.uix.button import Button
from kivy.uix.boxlayout import BoxLayout
from kivy.uix.gridlayout import GridLayout

class UI(BoxLayout):
    def __init__(self, **kwargs):
        super(UI, self).__init__(**kwargs)
        self.orientation = 'vertical'
        self.inputnumber = TextInput(multiline = False, size_hint_y=0.11)
        self.add_widget(self.inputnumber)
        self.grid()
    def grid(self):
        self.mygrid = GridLayout(cols = 4)
        self.btn7 = Button(text='7', size_hint_y=0.38, on_press=self.calculate)
        self.btn8 = Button(text='8', size_hint_y=0.38, on_press=self.calculate)
        self.btn9 = Button(text='9', size_hint_y=0.38, on_press=self.calculate)
        self.btnplus = Button(text='+', size_hint_y=0.38, on_press=self.calculate)
        self.btn4 = Button(text='4', size_hint_y=0.38, on_press=self.calculate)
        self.btn5 = Button(text='5', size_hint_y=0.38, on_press=self.calculate)
        self.btn6 = Button(text='6', size_hint_y=0.38, on_press=self.calculate)
        self.btnmines = Button(text='-', size_hint_y=0.38, on_press=self.calculate)
        self.btn1 = Button(text='1', size_hint_y=0.38, on_press=self.calculate)
        self.btn2 = Button(text='2', size_hint_y=0.38, on_press=self.calculate)
        self.btn3 = Button(text='3', size_hint_y=0.38, on_press=self.calculate)
        self.btnzarb = Button(text='*', size_hint_y=0.38, on_press=self.calculate)
        self.btnclear = Button(text='AC', size_hint_y=0.38, on_press=self.clear)
        self.btn0 = Button(text='0', size_hint_y=0.38, on_press=self.calculate)
        self.btneval = Button(text='=', size_hint_y=0.38, on_press=self.calculate)
        self.btntagsim = Button(text='/', size_hint_y=0.38, on_press=self.calculate)
        self.mygrid.add_widget(self.btn7)
        self.mygrid.add_widget(self.btn8)
        self.mygrid.add_widget(self.btn9)
        self.mygrid.add_widget(self.btnplus)
        self.mygrid.add_widget(self.btn4)
        self.mygrid.add_widget(self.btn5)
        self.mygrid.add_widget(self.btn6)
        self.mygrid.add_widget(self.btnmines)
        self.mygrid.add_widget(self.btn1)
        self.mygrid.add_widget(self.btn2)
        self.mygrid.add_widget(self.btn3)
        self.mygrid.add_widget(self.btnzarb)
        self.mygrid.add_widget(self.btnclear)
        self.mygrid.add_widget(self.btn0)
        self.mygrid.add_widget(self.btneval)
        self.mygrid.add_widget(self.btntagsim)
        self.add_widget(self.mygrid)

    def calculate(self, instance):
        operator = instance.text
        if operator == '=':
            try:
                result = str(eval(self.inputnumber.text))
            except Exception as e:
                result = 'Error'

            self.inputnumber.text = result
        else:
            self.inputnumber.text += operator

    def clear(self, event):
        self.inputnumber.text = ""
        
class start(App):
    def build(self):
        return UI()

if __name__ == '__main__':
    start().run()          
کاربر 416 دانلود Python
1
+1 
import kivy
from kivy.app import App
from kivy.uix.textinput import TextInput
from kivy.uix.button import Button
from kivy.uix.boxlayout import BoxLayout
from kivy.uix.gridlayout import GridLayout

class UI(BoxLayout):
    def __init__(self, **kwargs):
        super(UI, self).__init__(**kwargs)
        self.orientation = 'vertical'
        self.inputnumber = TextInput(multiline = False, size_hint_y=0.11)
        self.add_widget(self.inputnumber)
        self.grid()
    def grid(self):
        self.mygrid = GridLayout(cols = 4)
        self.btn7 = Button(text='7', size_hint_y=0.38, on_press=self.calculate)
        self.btn8 = Button(text='8', size_hint_y=0.38, on_press=self.calculate)
        self.btn9 = Button(text='9', size_hint_y=0.38, on_press=self.calculate)
        self.btnplus = Button(text='+', size_hint_y=0.38, on_press=self.calculate)
        self.btn4 = Button(text='4', size_hint_y=0.38, on_press=self.calculate)
        self.btn5 = Button(text='5', size_hint_y=0.38, on_press=self.calculate)
        self.btn6 = Button(text='6', size_hint_y=0.38, on_press=self.calculate)
        self.btnmines = Button(text='-', size_hint_y=0.38, on_press=self.calculate)
        self.btn1 = Button(text='1', size_hint_y=0.38, on_press=self.calculate)
        self.btn2 = Button(text='2', size_hint_y=0.38, on_press=self.calculate)
        self.btn3 = Button(text='3', size_hint_y=0.38, on_press=self.calculate)
        self.btnzarb = Button(text='*', size_hint_y=0.38, on_press=self.calculate)
        self.btnclear = Button(text='AC', size_hint_y=0.38, on_press=self.clear)
        self.btn0 = Button(text='0', size_hint_y=0.38, on_press=self.calculate)
        self.btneval = Button(text='=', size_hint_y=0.38, on_press=self.calculate)
        self.btntagsim = Button(text='/', size_hint_y=0.38, on_press=self.calculate)
        self.mygrid.add_widget(self.btn7)
        self.mygrid.add_widget(self.btn8)
        self.mygrid.add_widget(self.btn9)
        self.mygrid.add_widget(self.btnplus)
        self.mygrid.add_widget(self.btn4)
        self.mygrid.add_widget(self.btn5)
        self.mygrid.add_widget(self.btn6)
        self.mygrid.add_widget(self.btnmines)
        self.mygrid.add_widget(self.btn1)
        self.mygrid.add_widget(self.btn2)
        self.mygrid.add_widget(self.btn3)
        self.mygrid.add_widget(self.btnzarb)
        self.mygrid.add_widget(self.btnclear)
        self.mygrid.add_widget(self.btn0)
        self.mygrid.add_widget(self.btneval)
        self.mygrid.add_widget(self.btntagsim)
        self.add_widget(self.mygrid)

    def calculate(self, instance):
        operator = instance.text
        if operator == '=':
            try:
                result = str(eval(self.inputnumber.text))
            except Exception as e:
                result = 'Error'

            self.inputnumber.text = result
        else:
            self.inputnumber.text += operator

    def clear(self, event):
        self.inputnumber.text = ""
        
class start(App):
    def build(self):
        return UI()

if __name__ == '__main__':
    start().run()         
کاربر 669 دانلود Python Android
0 
from tkinter import *

calculation = ""


def add_to_calculation(symbol):
    global calculation
    calculation += str(symbol)
    text_result.delete(1.0, 'end')
    text_result.insert(1.0, calculation)


def evaluate_calculation():
    global calculation
    try:
        calculation = str(eval(calculation))
        text_result.delete(1.0, 'end')
        text_result.insert(1.0, calculation)
    except:
        clear_fields()
        text_result.insert(1.0, "Error")


def clear_fields():
    global calculation
    calculation = ""
    text_result.delete(1.0, 'end')


root = Tk()
root.minsize(300,275)
root.maxsize(300,275)
root.title('calculator')

text_result = Text(root, height=2, width=16, font=('Arial', 24))
text_result.insert(1.0, "hosein_mhg")
text_result.grid(columnspan=5)

btn_1 = Button(root, text='1', command=lambda: add_to_calculation(1), width=5, font=("Arial", 14))
btn_1.grid(row=2, column=1)
btn_2 = Button(root, text='2', command=lambda: add_to_calculation(2), width=5, font=("Arial", 14))
btn_2.grid(row=2, column=2)
btn_3 = Button(root, text='3', command=lambda: add_to_calculation(3), width=5, font=("Arial", 14))
btn_3.grid(row=2, column=3)
btn_4 = Button(root, text='4', command=lambda: add_to_calculation(4), width=5, font=("Arial", 14))
btn_4.grid(row=3, column=1)
btn_5 = Button(root, text='5', command=lambda: add_to_calculation(5), width=5, font=("Arial", 14))
btn_5.grid(row=3, column=2)
btn_6 = Button(root, text='6', command=lambda: add_to_calculation(6), width=5, font=("Arial", 14))
btn_6.grid(row=3, column=3)
btn_7 = Button(root, text='7', command=lambda: add_to_calculation(7), width=5, font=("Arial", 14))
btn_7.grid(row=4, column=1)
btn_8 = Button(root, text='8', command=lambda: add_to_calculation(8), width=5, font=("Arial", 14))
btn_8.grid(row=4, column=2)
btn_9 = Button(root, text='9', command=lambda: add_to_calculation(9), width=5, font=("Arial", 14))
btn_9.grid(row=4, column=3)
btn_0 = Button(root, text='0', command=lambda: add_to_calculation(0), width=5, font=("Arial", 14))
btn_0.grid(row=5, column=2)
btn_plus = Button(root, text='+', command=lambda: add_to_calculation('+'), width=5, font=("Arial", 14))
btn_plus.grid(row=2, column=4)
btn_minus = Button(root, text='-', command=lambda: add_to_calculation('-'), width=5, font=("Arial", 14))
btn_minus.grid(row=3, column=4)
btn_mul = Button(root, text='*', command=lambda: add_to_calculation('*'), width=5, font=("Arial", 14))
btn_mul.grid(row=4, column=4)
btn_div = Button(root, text='/', command=lambda: add_to_calculation('/'), width=5, font=("Arial", 14))
btn_div.grid(row=5, column=4)
btn_open = Button(root, text='(', command=lambda: add_to_calculation('('), width=5, font=("Arial", 14))
btn_open.grid(row=5, column=1)
btn_close = Button(root, text=')', command=lambda: add_to_calculation(')'), width=5, font=("Arial", 14))
btn_close.grid(row=5, column=3)
btn_clear = Button(root, text='C', command=clear_fields, width=11, font=("Arial", 14))
btn_clear.grid(row=6, column=1, columnspan=2)
btn_equals = Button(root, text='=', command=evaluate_calculation, width=11, font=("Arial", 14))
btn_equals.grid(row=6, column=3, columnspan=2)
root.mainloop()
Hosein10 دانلود Python
0 
# import everything from tkinter module 
from tkinter import *
 
# globally declare the expression variable 
expression = "" 
 
 
# Function to update expression 
# in the text entry box 
def press(num): 
    # point out the global expression variable 
    global expression 
 
    # concatenation of string 
    expression = expression + str(num) 
 
    # update the expression by using set method 
    equation.set(expression) 
 
 
# Function to evaluate the final expression 
def equalpress(): 
    # Try and except statement is used 
    # for handling the errors like zero 
    # division error etc. 
 
    # Put that code inside the try block 
    # which may generate the error 
    try: 
 
        global expression 
 
        # eval function evaluate the expression 
        # and str function convert the result 
        # into string 
        total = str(eval(expression)) 
 
        equation.set(total) 
 
        # initialize the expression variable 
        # by empty string 
        expression = "" 
 
    # if error is generate then handle 
    # by the except block 
    except: 
 
        equation.set(" error ") 
        expression = "" 
 
 
# Function to clear the contents 
# of text entry box 
def clear(): 
    global expression 
    expression = "" 
    equation.set("") 
 
 
# Driver code 
if __name__ == "__main__": 
    # create a GUI window 
    gui = Tk() 
 
    # set the background colour of GUI window 
    gui.configure(background="light green") 
 
    # set the title of GUI window 
    gui.title("Simple Calculator") 
 
    # set the configuration of GUI window 
    gui.geometry("270x150") 
 
    # StringVar() is the variable class 
    # we create an instance of this class 
    equation = StringVar() 
 
    # create the text entry box for 
    # showing the expression . 
    expression_field = Entry(gui, textvariable=equation) 
 
    # grid method is used for placing 
    # the widgets at respective positions 
    # in table like structure . 
    expression_field.grid(columnspan=4, ipadx=70)
 
    # create a Buttons and place at a particular 
    # location inside the root window . 
    # when user press the button, the command or 
    # function affiliated to that button is executed . 
    button1 = Button(gui, text=' 1 ', fg='black', bg='red', 
                    command=lambda: press(1), height=1, width=7) 
    button1.grid(row=2, column=0) 
 
    button2 = Button(gui, text=' 2 ', fg='black', bg='red', 
                    command=lambda: press(2), height=1, width=7) 
    button2.grid(row=2, column=1) 
 
    button3 = Button(gui, text=' 3 ', fg='black', bg='red', 
                    command=lambda: press(3), height=1, width=7) 
    button3.grid(row=2, column=2) 
 
    button4 = Button(gui, text=' 4 ', fg='black', bg='red', 
                    command=lambda: press(4), height=1, width=7) 
    button4.grid(row=3, column=0) 
 
    button5 = Button(gui, text=' 5 ', fg='black', bg='red', 
                    command=lambda: press(5), height=1, width=7) 
    button5.grid(row=3, column=1) 
 
    button6 = Button(gui, text=' 6 ', fg='black', bg='red', 
                    command=lambda: press(6), height=1, width=7) 
    button6.grid(row=3, column=2) 
 
    button7 = Button(gui, text=' 7 ', fg='black', bg='red', 
                    command=lambda: press(7), height=1, width=7) 
    button7.grid(row=4, column=0) 
 
    button8 = Button(gui, text=' 8 ', fg='black', bg='red', 
                    command=lambda: press(8), height=1, width=7) 
    button8.grid(row=4, column=1) 
 
    button9 = Button(gui, text=' 9 ', fg='black', bg='red', 
                    command=lambda: press(9), height=1, width=7) 
    button9.grid(row=4, column=2) 
 
    button0 = Button(gui, text=' 0 ', fg='black', bg='red', 
                    command=lambda: press(0), height=1, width=7) 
    button0.grid(row=5, column=0) 
 
    plus = Button(gui, text=' + ', fg='black', bg='red', 
                command=lambda: press("+"), height=1, width=7) 
    plus.grid(row=2, column=3) 
 
    minus = Button(gui, text=' - ', fg='black', bg='red', 
                command=lambda: press("-"), height=1, width=7) 
    minus.grid(row=3, column=3) 
 
    multiply = Button(gui, text=' * ', fg='black', bg='red', 
                    command=lambda: press("*"), height=1, width=7) 
    multiply.grid(row=4, column=3) 
 
    divide = Button(gui, text=' / ', fg='black', bg='red', 
                    command=lambda: press("/"), height=1, width=7) 
    divide.grid(row=5, column=3) 
 
    equal = Button(gui, text=' = ', fg='black', bg='red', 
                command=equalpress, height=1, width=7) 
    equal.grid(row=5, column=2) 
 
    clear = Button(gui, text='Clear', fg='black', bg='red', 
                command=clear, height=1, width=7) 
    clear.grid(row=5, column='1') 
 
    Decimal= Button(gui, text='.', fg='black', bg='red', 
                    command=lambda: press('.'), height=1, width=7) 
    Decimal.grid(row=6, column=0) 
    # start the GUI 
    gui.mainloop()
کاربر 1454 دانلود Python
0 
from tkinter import *
from tkinter import ttk
#========================main================================
window=Tk()
window.title('ماشین حساب')
window.geometry('450x250')
window.configure(bg='black')
window.resizable(width=False,height=False)
expression=''
expression2=''
selected_input=1
opration=''
expression3=''
#=======================buttons===============================
button_0=ttk.Button(window,text=0,command=lambda:set_number(0))
button_0.place(x=0,y=200,height=45,width=45)
button_1=ttk.Button(window,text=1,command=lambda:set_number(1))
button_1.place(x=45,y=200,height=45,width=45)
button_2=ttk.Button(window,text=2,command=lambda:set_number(2))
button_2.place(x=90,y=200,height=45,width=45)
button_3=ttk.Button(window,text=3,command=lambda:set_number(3))
button_3.place(x=135,y=200,height=45,width=45)
button_4=ttk.Button(window,text=4,command=lambda:set_number(4))
button_4.place(x=180,y=200,height=45,width=45)
button_5=ttk.Button(window,text=5,command=lambda:set_number(5))
button_5.place(x=225,y=200,height=45,width=45)
button_6=ttk.Button(window,text=6,command=lambda:set_number(6))
button_6.place(x=270,y=200,height=45,width=45)
button_7=ttk.Button(window,text=7,command=lambda:set_number(7))
button_7.place(x=315,y=200,height=45,width=45)
button_8=ttk.Button(window,text=8,command=lambda:set_number(8))
button_8.place(x=360,y=200,height=45,width=45)
button_9=ttk.Button(window,text=9,command=lambda:set_number(9))
button_9.place(x=405,y=200,height=45,width=45)
button_plus=ttk.Button(window,text='+',command=lambda :set_opration('+'))
button_plus.place(y=150,height=45,width=45)
button_10=ttk.Button(window,text='-',command=lambda :set_opration('-'))
button_10.place(y=150,x=45,height=45,width=45)
button_11=ttk.Button(window,text='x',command=lambda :set_opration('*'))
button_11.place(y=150,x=90,height=45,width=45)
button_12=ttk.Button(window,text='÷',command=lambda :set_opration('/'))
button_12.place(y=150,x=135,height=45,width=45)
button_13=ttk.Button(window,text='=',command=lambda :show_result())
button_13.place(y=150,x=180,height=45,width=45)
button_14=ttk.Button(window,text='fild1',command=lambda :set_input1())
button_14.place(y=150,x=225,height=45,width=45)
button_15=ttk.Button(window,text='fild2',command=lambda:set_input2())
button_15.place(y=150,x=270,height=45,width=45)
button_16=ttk.Button(window,text='تقسیم صحیح',command=lambda :set_opration('//'))
button_16.place(y=100,x=0,height=45,width=90)
button_17=ttk.Button(window,text='توان',command=lambda :set_opration('**'))
button_17.place(y=100,x=90,height=45,width=45)
button_18=ttk.Button(window,text='%',command=lambda :set_opration('درصد'))
button_18.place(y=100,x=135,height=45,width=45)
button_19=ttk.Button(window,text='باقی مانده ی تقسیم صحیح',command=lambda :set_opration('%'))
button_19.place(y=100,x=180,height=45,width=135)
btn_20=ttk.Button(window,text='بستن',command=window.destroy)
btn_20.place(width=45,height=45,x=315,y=100)
button_21=ttk.Button(window,text='c',command=lambda:cl())
button_21.place(width=45,height=45, y=150,x=315)
#=======================entry===============================
num_1=StringVar()
input_number1= Entry(window,textvariable=num_1)
input_number1.place(x=1,y=1,height=25,width=200)
num_2=StringVar()
input_number2= Entry(window,textvariable=num_2)
input_number2.place(x=249,y=1,height=25,width=200)
num_3=StringVar()
new=Entry(window,textvariable=num_3)
new.place(x=11,y=27,height=25,width=427)
#=====================def================================
def set_number(number):
    global expression
    global expression2
    expression=expression+str(number)
    expression2 = expression2 + str(number)
    if selected_input==1:
        expression2 =''
        num_1.set(expression)
    elif selected_input==2:
        expression=''
        num_2.set(expression2)
def set_input1():
    global selected_input
    selected_input=1
def set_input2():
    global selected_input
    selected_input=2
def set_opration(op):
    global opration
    opration=op
    global selected_input
    selected_input=2
def cl():
    global expression
    global
expression2
    global expression3
    expression=' '
    expression2=' '
    num_1.set(expression)
    num_2.set(expression2)
    num_3.set(expression3)
    global selected_input
    selected_input=1
def show_result():
    global selected_input
    selected_input = 1if opration=='+':
        result=float(num_1.get())+float(num_2.get())
        num_3.set(result)
    elif opration=='-':
        result=float(num_1.get())-float(num_2.get())
        num_3.set(result)
    elif opration=='*':
        result=float(num_1.get())*float(num_2.get())
        num_3.set(result)
    elif opration=='/':
        result=float(num_1.get())/float(num_2.get())
        num_3.set(result)
    elif opration=='//':
        result=float(num_1.get())//float(num_2.get())
        num_3.set(result)
    elif opration=='**':
        result=float(num_1.get())**float(num_2.get())
        num_3.set(result)
    elif opration=='درصد':
        result=float(num_1.get())/100
        num_3.set(result)
    elif opration=='%':
        result=float(num_1.get())%float(num_2.get())
        num_3.set(result)
#====================window===================================
window.mainloop()
کاربر 1920 دانلود Python

ارسال جواب

// کداتو توی این بخش بنویس
// فرقی نمیکنه چه زبان برنامه نویسی باشه، همرو پشتیبانی میکنیم :)
// البته قبلش این سه خط رو پاک کن


  • تو جوابت میتونی از تصویر، کد، لینک به سایر صفحات و... استفاده کنی
  • لطفا جواب های تکراری ارسال نکن
  • جواب های ارسالی، پس از بررسی کوتاهی، ویرایش میشن و در سایت نمایش داده میشن
  • ارسال جواب حق مادی یا معنوی برای ارسال کننده ایجاد نمیکند و تمام حقوق برای سایت کدبزن محفوظ است

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نمیتونم این تمرین رو حل کنم 😞

اگه متوجه تمرین نمیشی یا به هر دلیلی نمیتونی حلش کنی، کاملا طبیعیه، اشکالی نداره؛ ناراحت نشو 😊
سعی کن تمرینات آسون تر رو ببینی و جواب های مختلفی که دیگران ارسال کرده اند رو بررسی کنی و یواش یواش به سراغ تمرینات سخت تر بری. همچنین ممکنه جوابت درست باشه ولی با سایر جواب ها متفاوت باشه
اگه برنامه نویسی رو هنوز شروع نکردی یا خوب یاد نگرفتی، میتونی از طریق لینک زیر یاد بگیری

یادگیری برنامه نویسی
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