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1 Mathematical Function
1.1 Rounding Function
int(x) takes the maximum integer no greater than x.
fix(x) Leave the decimal part of x.
1.2 Absolute value function
abs(x) Find the absolute value of x.
1.3 Symbol Functions
sgn(x) Finds the symbol code of x. When x is a negative number, the function value is -1.
1.4 Square Root Function
sqr(x) Find the arithmetic square root of x, x must be greater than 0.
1.5 Exponential Function
exp(x) Find the value with base e as x as the exponent.
1.6 Logarithmic function
log(x) Find the value of a logarithmic function with base e.
1.7 Trigonometric Function
sin(x) Find the sine value of x.
con(x) Find the cosine value of x.
tan(x) Find the tangent value of x.
Atn(x) Find the arctangent value of x.
1.8 Number conversion function
hex(x) converts decimal to the corresponding hexadecimal number.
oct(x) converts decimal to the corresponding octal number.
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