Sharp EL-506P Instruction Manual page 87

RAD: Radian mode symbol
Appears when the radian mode is designated or shows that the angular
mode of the converted result is in radian.
GRAD: Grad mode symbol
Appears when the 9rad mode is designated or shows that the angular
mode of the converted result is in grad.
Parenthesis symbol
Appears when a calculation with parenthesis is performed by depressing
the
OJ
key.
lllm
Appears when the binary system mode is set or shows the displayed
number is a binary number.
[!Iii
Appears when the octal system mode is set or shows the displayed
number is an octal number.
l:I}J
Appears when the hexadecimal system mode is set or shows the dis-
played number is a hexadecimal number.
85