void divClk() { assignNumber(); funcToUse = Div; funcToUse(v1, v2); }
void mulClk() { assignNumber(); funcToUse = Mul; funcToUse(v1, v2); }
void addClk() { assignNumber(); funcToUse = Add; funcToUse(v1, v2); }
void subClk() { assignNumber(); funcToUse = Sub; funcToUse(v1, v2); }
void calcResult(multiFunc Func) { float.TryParse(inV1.text, out v1); float.TryParse(inV2.text, out v2); outResult.text = Func(v1, v2).ToString(); }