Permutations. Enter the larger number. Press 
followed by 
. Enter
the smaller number. Then press 
.
Signed Numbers. Enter 
. Enter the number.
Absolute Value. Press 
. Enter the expression. Press 
.
Binary. To convert from one of the supported base systems into binary enter the
number. Then press 
.
Hexadecimal. To convert from one of the supported base systems into
hexadecimal enter the number. Then press 
.
Octadecimal. To convert from one of the supported base systems into
octadecimal enter the number. Then press 
.
Decimal. To convert from one of the supported base systems into decimal enter
the number. Then press 
.
Pentadecimal. To convert from one of the supported base systems into
pentadecimal enter the number. Then press 
.
6