1)　　具备十进制输入（0、1、2…8、9），扩展十六进制运算符（A、B…E、F），具备基本的运算功能，包括加法、减法、乘法、除法、取反，具备小数运算；

2)　　三角函数运算，(反)正弦、(反)余弦、(反)正切、(反)余切；

3)　　科学运算，包括乘方、取模、开方、指数、阶乘、对数、π和e，角度、弧度切换，二进制、八进制、十进制及十六进制数切换运算，

4)　　具备历史计算的记忆功能

5)　　用户操作非法或出错时，系统会显示提示；

-1) with decimal input (0,1,2 ... 8,9), the expansion of hexadecimal operator (A, B ... E, F), equipped with the basic computing functions, including addition, subtraction, multiplication, division, check anti, with a small number of operations　2) trigonometric function computation, (Anti-) sinusoidal, (anti-) cosine, (anti-) tangent, (anti-) Cotangent　3) scientific computing, including involution, modulus, prescribing, index, factorial, logarithm, π and e, the angle of curvature of switching, binary, octal, decimal and hexadecimal number of switching operations, 4) with the history of computing and memory function 5) illegal or user error, the system will show the prompt