removeEquation method
Implementation
void removeEquation(Equation eq) {
final eqs = equations;
int i = eqs.indexOf(eq);
if (i != -1) {
eqs.removeAt(i);
}
}
void removeEquation(Equation eq) {
final eqs = equations;
int i = eqs.indexOf(eq);
if (i != -1) {
eqs.removeAt(i);
}
}