QuickMaffs is an simple mental math app with NO ADS or PAYWALLS! Perfect for students, Quant finance interviews, or anyone who wants to improve their math skills.
Features include 13 game modes of various arithmetic types, each customizable with tailored difficulty levels.
Modes: Addition, subtraction, multiplication, division, squaring, doubling, halving, linear equations, quadratic equations, equation systems, mean, percentages and trigonometry.