Page 250 - Computer Science Class 11 Without Functions
P. 250

Let's Summarise


           Ø   Some commonly used built-in functions from the math module are illustrated in the following table:
           Sr No          Function            Description of   Return Value(s)             Examples
                                              Argument(s)
             1   math.ceil(num)             Integer or       Ceiling (highest    >>> math.ceil(13.3)
                                            floating-point   closest integer)         14
                                            number           value of num        >>> math.ceil(-15.4)
                                                                                      -15
                                                                                      -16<-15.4<=-15
             2   math.floor(num)            Integer or floating  Floor(lowest    >>>  math.floor(13.3)
                                            point number     closest integer)         13
                                                             value of num        >>>  math.floor(-15.4)
                                                                                      -16
             3   math.fabs(num)             Integer or floating  Absolute value of    >>>  math.fabs(-14.7)
                                            point number     num (returns             14.7
                                                             floating Point      >>>  math.fabs(62.1)
                                                             number as                62.1
                                                             the absolute
                                                             value)
             4   math.factorial(num) Positive integer        Factorial of num    >>>  math.factorial(5)
                                                                                      120
             5   math.                      Integer or floating  num1%num2       >>>  math.fmod(19,3)
                 fmod(num1,num2)            point numbers    (sign of num1)           1.0
             6   math.gcd(num1,num2) Integers                Greatest common     >>>  math.gcd(56,78)
                                                             divisor of num1          2
                                                             and num2            >>>  math.gcd(-10,4)
                                                                                      2
             7   math.pow(num1,num2) Integers or             num1  num2          >>>  math.pow(14,3)
                                            floating point   num1 raised to the       2744.0
                                            numbers          power of num2       >>>  math.pow(-4,2)
                                                                                      16.0
             8   math.sqrt(num)             Positive integer   Square root of num  >>>  math.sqrt(25)
                                            or floating point                         5.0
                                            number                               >>>  math.sqrt(40.5)
                                                                                      6.363961030678928
             9   math.sin(num)              Integer or floating  Arc Sine of num in   >>>  math.sin(0)
                                            point number in   radians                 0.0
                                            radians                              >>>  math.sin(0.2)

                                                                                      0.19866933079506122
            10   math.cos (num)             Integer or floating  Arc cosine of num   >>>  math.cos(0)
                                            point number in   in radians              1.0
                                            radians                              >>>  math.cos(10)
                                                                                      -0.8390715290764524
            11   math.tan (num)             Integer or floating  Arc tangent of num   >>>  math.tan(0)
                                            point number in   in radians              0.0
                                            radians                              >>>  math.tan(1)
                                                                                      1.5574077246549023





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