public Equation setEquation(int index, Equation e) { return(equationsList[index] = e); }
public void removeEquation(Equation e) { this.equationsList.Remove(e); }
public Equation setEquation(int index, Equation e) { return(equationsList[index] = e); }
public void removeEquation(Equation e) { this.equationsList.Remove(e); }