To find 2 raised to the power of the displayed number, press this button.

This function is unavailable in binary mode - convert to decimal first.

To find the base 2 logarithm of the displayed number, press this button.

This function is unavailable in binary mode - convert to decimal first.

To shift the displayed number one bit to the left, shifting in a zero-bit, press this button.

ASL stands for arithmetic shift left.

To rotate the displayed number one bit to the left, press this button.

ROL stands for rotate left.