һκ       2X+3
κ       -2X^2+4X+6
     4/X
ֵ         abs(X)
ֵ         max(3,4)
Сֵ         min(3,4)
Һ       sin(X)
Һ       cos(X)
к       tan(X)
к       cot(X)
к     arctan(X)
к     arccot(X)
Ȼ       ln(X)
       log(10,X)
eָ    exp(X)
ȡ   round(X)
ȡ           trunc(X)
             +
             -
             *
             /
             ^
ƽ           sqr
ƽ         sqrt
ȡ           mod
           ,
Ⱥ           =
         <>
           >
С           <
         <=
С         >=
߼         and
߼         or
߼         not

