let later = "\\int_1^2f\\bigg(\\frac1x\\biggr)dx=" let mathLabel = MTMathUILabel(frame: CGRectMake(0, 0, 300, 300 )) mathLabel.latex = later mathLabel.textColor = .black mathLabel.textAlignment = .center view.addSubview(mathLabel) 
let later = "\int_1^2f\bigg(\frac1x\biggr)dx="
let mathLabel = MTMathUILabel(frame: CGRectMake(0, 0, 300, 300 ))
mathLabel.latex = later
mathLabel.textColor = .black
mathLabel.textAlignment = .center
view.addSubview(mathLabel)