1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
natta225 [31]
3 years ago
6

Python

Computers and Technology
1 answer:
marusya05 [52]3 years ago
8 0

Answer:

from tkinter import *

expression = ""

def press(num):

global expression

expression = expression + str(num)

equation.set(expression)

def equalpress():

try:

 global expression

 total = str(eval(expression))

 equation.set(total)

 expression = ""

except:

 equation.set(" error ")

 expression = ""

def clear():

global expression

expression = ""

equation.set("")

if __name__ == "__main__":

gui = Tk()

 

equation = StringVar(gui, "")

equation.set("")

gui.geometry("270x150")

expression_field = Entry(gui, textvariable=equation)

expression_field.grid(columnspan=4, ipadx=70)

buttonl = Button(gui, text=' 1', fg='black', bg='white',command=lambda: press(1), height=1, width=7)

buttonl.grid(row=2, column=0)

button2 = Button(gui, text=' 2', fg='black', bg='white',command=lambda: press(2), height=1, width=7)

button2.grid(row=2, column=1)

button3 = Button(gui, text=' 3', fg='black', bg='white',command=lambda: press(3), height=1, width=7)

button3.grid(row=2, column=2)

button4 = Button(gui, text=' 4', fg='black', bg='white',command=lambda: press(4), height=1, width=7)

button4.grid(row=3, column=0)

button5 = Button(gui, text=' 5', fg='black', bg='white',command=lambda: press(5), height=1, width=7)

button5.grid(row=3, column=1)

button6 = Button(gui, text=' 6', fg='black', bg='white',command=lambda: press(6), height=1, width=7)

button6.grid(row=3, column=2)

button7 = Button(gui, text=' 7', fg='black', bg='white',command=lambda: press(7), height=1, width=7)

button7.grid(row=4, column=0)

button8 = Button(gui, text=' 8', fg='black', bg='white',command=lambda: press(8), height=1, width=7)

button8.grid(row=4, column=1)

button9 = Button(gui, text=' 9', fg='black', bg='white',command=lambda: press(9), height=1, width=7)

button9.grid(row=4, column=2)

button0 = Button(gui, text=' 0', fg='black', bg='white',command=lambda: press(2), height=1, width=7)

button0.grid(row=5, column=0)

Add = Button(gui, text=' +', fg='black', bg='white',command=lambda: press("+"), height=1, width=7)

Add.grid(row=2, column=3)

Sub = Button(gui, text=' -', fg='black', bg='white',command=lambda: press("-"), height=1, width=7)

Sub.grid(row=3, column=3)

Div = Button(gui, text=' /', fg='black', bg='white',command=lambda: press("/"), height=1, width=7)

Div.grid(row=5, column=3)

Mul = Button(gui, text=' *', fg='black', bg='white',command=lambda: press("*"), height=1, width=7)

Mul.grid(row=4, column=3)

Equal = Button(gui, text=' =', fg='black', bg='white',command=equalpress, height=1, width=7)

Equal.grid(row=5, column=2)

Clear = Button(gui, text=' Clear', fg='black', bg='white',command=clear, height=1, width=7)

Clear.grid(row=5, column=1)

Decimal = Button(gui, text=' .', fg='black', bg='white',command=lambda: press("."), height=1, width=7)

Decimal.grid(row=6, column=0)

gui.mainloop()

Explanation:

I fixed several other typos. Your calculator works like a charm!

You might be interested in
A __________ note is a private note that you leave for yourself or for other people who might use the presentation file
BaLLatris [955]

Answer:

The answer is that it is a speaker note.

Explanation:

It leaves a note for people that use presentation files. I use it all the time on my google slides.

7 0
2 years ago
Adding transitions to slides in a presentation.
8090 [49]

B.) The addition of slide transitions

4 0
3 years ago
Read 2 more answers
How is ict integrated into marketing<br>​
Aleks04 [339]

Answer: The utilize of great ICT moreover moves forward client administrations and client request. From database advancement, site plan to showcase investigate, interpretation program, coordinate mail showcasing and preparing, the application of ICT is basic for a financial victory. The web is one of the ways in which media companies / businesses publicize.

Explanation:

5 0
1 year ago
Which access method would be most appropriate if your manager gave you a special cable and told you to use it to configure the s
GrogVix [38]
Console Port Method

Connecting a computer to a Cisco device through the console port requires a special console cable.
8 0
2 years ago
Select the correct answer.
Umnica [9.8K]

Answer:

OB. by zooming in on them

hope it helps

7 0
2 years ago
Other questions:
  • WILL GIVE BRANLYIST
    6·1 answer
  • Why is a class called a factory of objects
    11·1 answer
  • Suppose barriers to entry exist in the telecommunications industry. This best describes a _____ market.
    12·1 answer
  • The computerization of the layout and paste-up process further complicated printing, as did the digitizing of photographs.
    12·1 answer
  • Marco had a database that showed the first, second, and third favorite ice cream flavors for each person in his school. He used
    11·2 answers
  • Unleashes the ability of each person on their team to improve performance, solve problems, and
    6·2 answers
  • HELP PLZZZZZZZZ!!!!!!!!!!!
    14·1 answer
  • 3. When code tracing, why is it important to iteratively test parts of the program?
    8·1 answer
  • A. Directions: Read the statement carefully. Write True in the space provided if the statement is correct and False if it is not
    6·1 answer
  • What will be the output, if any, when the user clicks the right mouse button?
    5·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!