Only one thing I couldn't interpret: what is the intuition behind drawing grid lines and adding theta to the number with 2 grid lines and subtracting theta with 1 grid line and leaving the number as it is in case of number which has one grid line over it.
Only one thing I couldn't interpret: what is the intuition behind drawing grid lines and adding theta to the number with 2 grid lines and subtracting theta with 1 grid line and leaving the number as it is in case of number which has one grid line over it.