l       Four standanrd functions(＋,－,×,÷).

l       Auto constant calculations(constant:multiplicand,divisor,addend and subtrahend).

l       Square and reciprocal calculations.

l       Mark-up and mark-down calculations.

l       Extraction of square root.

l       Percentage calculations.

l       Chain multiplication and division.

l       Power calculations.

l       Rough estimate calculations.

l       Clear key:ON/C,ON/CE,CE