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

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

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

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

To find the inverse cosine of the displayed number, press this button.

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

To find the cosine of the displayed number, press this button.

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