string bcdiv (string left operand, string right operand, int [ scale ]); 将左面的字符串以右面的字符串为标准分开
函数bcmod()
描述:
Get modulus of an arbitrary precision number
string bcmod (string left operand, string modulus);
用右面的modulus操作左面的字符串
函数bcmul()
描述:
Multiply two arbitrary precision number
string bcmul (string left operand, string right operand, int [ scale ]);
Multiply the left operand by the right operand and returns the result. The optional scale sets the number of digits
after the decimal place in the result.
函数bcpow()
描述:
Raise an arbitrary precision number to another.
Raise x to the power y . The scale can be used to set the number of digits after the decimal place in the result.
函数bcscale()
描述:
Set default scale parameter for all bc math functions.
string bcscale (int scale);
This function sets the default scale parameter for all subsequent bc math functions that do not explicitly specify a scale
parameter
函数bcsqrt()
描述;
string bcsqrt (string operand, int scale);
返回字符的平方根
函数bcsub()
描述:
string bcsub (string left operand, string right operand, int [ scale ]);
将右面的字符减去左面的字符
Calendar Functions日历功能
函数JDToGregorian()
描述:
string jdtogregorian (int julianday);
将Julian日历转换成Gregorian日历
函数GregorianToJD()
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