package Ġcom . x iph ite ch . my kt application . calculator Ċ Ċ interface ĠCal Output Interface View Ġ{ ĊĊĠĠĠ Ġfun Ġset Equation ( equation : ĠString ) ĊĠĠĠ Ġfun Ġset Outcome ( outcome : ĠString ) Ċ Ċ }