toggleSign method
dynamic
toggleSign()
Implementation
toggleSign() {
var newValue = double.parse(displayValue) * -1;
this.setState(() {
displayValue = formatter.format(newValue).toString();
});
}
toggleSign() {
var newValue = double.parse(displayValue) * -1;
this.setState(() {
displayValue = formatter.format(newValue).toString();
});
}