A. x += y is just shorthand for x = x + y, the compiler always expands it out as such https://msdn.microsoft.com/en-us/library/sa7629ew.aspx B. C# isn’t like math where you can rearrange an equation as you wish. As such, you can’t have an expression such as a+b on the lefthand side of an assignment, which is … Read more
You are reading the value from display1 twice, you forgot to change the reading of number2 to display2. Replace: number2 = Double.valueOf(display1.getText().toString()); with number2 = Double.valueOf(display2.getText().toString()); Your function would end up being: if(minu){ number1 = Double.valueOf(display1.getText().toString()); number2 = Double.valueOf(display2.getText().toString()); display1.setText(“”); display2.setText(“”); displaySymbol.setText(“”); answer = number1 – number2; display1.setText(Double.toString(answer)); } 0 solved Android: Division and subtraction … Read more
assuming int on your system is 32bit long, so the max number u can store in currentPrinter is 2,147,483,647 and minimum is -2,147,483,648. the reason you are getting arithmetic error is mainly caused because of dividing by zero but the reason you end up with divide by zero is because of the integer overflow. if … Read more
Basically a is assigned to the result of the logical not operator applied to b For example if b is the matrix b = [12 0 10] then a = ~b a = [0 1 0] See http://www.mathworks.co.uk/help/matlab/ref/not.html for details 2 solved What does the tilde symbol after an equals do? [duplicate]