f property Null safety
Implementation
CalculatorButton get f => CalculatorButton(factory, 'F', 'RRn', 'RRCn',
Operations16.letterF, Operations16.rrn, Operations16.rrcn, 'F');
CalculatorButton get f => CalculatorButton(factory, 'F', 'RRn', 'RRCn',
Operations16.letterF, Operations16.rrn, Operations16.rrcn, 'F');