Sharp EL-W516B Operation Manual page 10

 Permutations. Enter the larger number. Press
the smaller number. Then press
 Signed Numbers. Enter
 Absolute Value. 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
.
. Enter the number.
. Enter the expression. Press
.
.
6
followed by . Enter
.
.
.
.