Sharp EL-506H

2nd function designation symbol
Appears when the 2nd function is designated.
Hyperbolic function designation symbol
Appears when hyperbolic function is designated.
Degree mode symbol
Appears when the degree mode is designated.
Radian mode symbol
Appears when the radian mode is designated.
Grad mode symbol
Appears when the grad mode Is designated.
Statistical calculation mode symbol
Appears when statistical calculation mode is set.
Parenthesis symbol
Appears when a calculation with parenthesis Is performed by depressing
the I ( |key.
Hexadecimal symbol
Appears when an answer in hexadecimal notation Is displayed.