Python | cmath.log() method Last Updated : 05 Sep, 2019 Summarize Comments Improve Suggest changes Share Like Article Like Report With the help of cmath.log() method, we can find the value of log of any number having natural base value by passing it to cmath.log() method. Syntax : cmath.log(value) Return : Return the log value of natural base. Example #1 : In this example we can see that by using cmath.log() method, we are able to get the values of log having natural base by passing any value to it. Python3 1=1 # importing cmath library import cmath # using cmath.log() method gfg = cmath.log(5) print(gfg) Output : (1.6094379124341003+0j) Example #2 : Python3 1=1 # importing cmath library import cmath # using cmath.log() method gfg = cmath.log(25) print(gfg) Output : (3.2188758248682006+0j) Comment More infoAdvertise with us Next Article Python | Decimal logb() method J jitender_1998 Follow Improve Article Tags : Python Python math-library Practice Tags : python Similar Reads Python | cmath.log10() method With the help of cmath.log10() method, we can find the value of log of any number having base-10 value by passing it to cmath.log10() method. Syntax : cmath.log10(value) Return : Return the log value of base-10. Example #1 : In this example we can see that by using cmath.log10() method, we are able 1 min read Python | cmath.exp() method With the help of cmath.exp() method, we can find the exponent of any number by passing it to cmath.exp() method. Syntax : cmath.exp(value) Return : Return the exponential value. Example #1 : In this example we can see that by using cmath.exp() method, we are able to get the values of exponent by pas 1 min read Python | Decimal logb() method Decimal#logb() : logb() is a Decimal class method which returns the adjusted exponent of the Decimal value. Syntax: Decimal.logb() Parameter: Decimal values Return: the adjusted exponent of the Decimal value. Code #1 : Example for logb() method Python3 # Python Program explaining # logb() method # l 2 min read Python | Decimal log10() method Decimal#log10() : log10() is a Decimal class method which returns the base ten logarithm of the Decimal value. Syntax: Decimal.log10() Parameter: Decimal values Return: the base ten logarithm of the Decimal value. Code #1 : Example for log10() method Python3 # Python Program explaining # log10() met 2 min read Python | cmath.sqrt() method With the help of cmath.sqrt() method, we can find the value of square root any number by passing it to cmath.sqrt() method. Syntax : cmath.sqrt(value) Return : Return the square root of any value. Example #1 : In this example we can see that by using cmath.sqrt() method, we are able to get the value 1 min read Python | Decimal ln() method Decimal#ln() : ln() is a Decimal class method which returns the natural (base e) logarithm of the Decimal value. Syntax: Decimal.ln() Parameter: Decimal values Return: the natural (base e) logarithm of the Decimal value. Code #1 : Example for ln() method Python3 # Python Program explaining # ln() me 2 min read Like