відповідь: function showresult(choise){
var n1=parsefloat(document.getelementbyid('num1').value);
var n2=parsefloat(document.getelementbyid('num2').value);
var r;
var c=choise;
switch(c)
{
case '1':
r=n1+n2;
break;
case '2':
r=n1-n2;
break;
case '3':
r=n1*n2;
break;
case '4':
r=n1/n2;
break;
case '5':
r=n2*100/n1;
break;
default:
break;
}
document.getelementbyid('result').value=r;
}
calculator
my calculator first number second number result+
-
*
/
%
пояснення:
import sys
from PyQt5 import QtWidgets
from PyQt5 import QtCore, QtGui, QtWidgets
class Ui_Form(object):
def setupUi(self, Form):
Form.setObjectName("Form")
Form.resize(400, 181)
self.text_edit = QtWidgets.QTextEdit(Form)
self.text_edit.setGeometry(QtCore.QRect(10, 10, 371, 71))
font = QtGui.QFont()
font.setPointSize(36)
self.text_edit.setFont(font)
self.text_edit.setObjectName("text_edit")
self.button = QtWidgets.QPushButton(Form)
self.button.setGeometry(QtCore.QRect(10, 90, 371, 81))
font = QtGui.QFont()
font.setPointSize(28)
self.button.setFont(font)
self.button.setObjectName("button")
self.retranslateUi(Form)
QtCore.QMetaObject.connectSlotsByName(Form)
def retranslateUi(self, Form):
_translate = QtCore.QCoreApplication.translate
Form.setWindowTitle(_translate("Form", "Form"))
self.text_edit.setHtml(_translate("Form", "<!DOCTYPE HTML PUBLIC \"-//W3C//DTD HTML 4.0//EN\" \"http://www.w3.org/TR/REC-html40/strict.dtd\">\n"
"<html><head><meta name=\"qrichtext\" content=\"1\" /><style type=\"text/css\">\n"
"p, li { white-space: pre-wrap; }\n"
"</style></head><body style=\" font-family:\'MS Shell Dlg 2\'; font-size:36pt; font-weight:400; font-style:normal;\">\n"
"<p style=\"-qt-paragraph-type:empty; margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px;\"><br /></p></body></html>"))
self.button.setText(_translate("Form", "дізнатися відповідь"))
class MyApp(QtWidgets.QMainWindow, Ui_Form):
def __init__(self):
super().__init__()
self.setupUi(self)
self.button.clicked.connect(self.button_click)
def button_click(self):
for i in range(10):
if str(i) in self.text_edit.toPlainText():
break
else:
self.text_edit.setPlainText('Спочатку введіть числа')
return
l = list(map(int, self.text_edit.toPlainText().split()))
if l == l[::-1]:
self.text_edit.setPlainText('Так')
else:
self.text_edit.setPlainText('Нi')
def main():
app = QtWidgets.QApplication(sys.argv)
window = MyApp()
window.show()
app.exec_()
if __name__ == '__main__':
main()
