private void HandleEqualButton(EqualButton equalButton)
{
if (isAnimation || equalButton.isSelected || !formula.CanAppendEqual(equalButton.equal))
{
SoundWareHouse.Instance.seButtonError.GetComponent <AudioSource>().Play();
return;
}
SoundWareHouse.Instance.seTermButton.GetComponent <AudioSource>().Play();
formula.AppendEqual(equalButton.equal);
formulaText.AppendEqual();
HandleTermButton(equalButton);
}
