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# Math calculation of percentage

how to math calculation of percentage? such as: 30 % 4 or 369% 35.

6th Apr 2020, 11:29 AM + 2
I mean % in javascript. what does it mean in js?
6th Apr 2020, 2:07 PM + 2
modulo operator means?explain it?
6th Apr 2020, 2:11 PM + 2
it means division operator. right! thanks jaya and visph
6th Apr 2020, 2:13 PM + 1
you mean in programming? In JavaScript : var a=30; var b=4; document.write(a%b) ; Output: 2 If not, Please provide your problem description clearly..
6th Apr 2020, 11:53 AM
Jayakrishna 🇮🇳 + 1
Math percentages and programming operator % aren't related at all... In computer context, x % y means remainder of the integer division of x by y (named 'modulo' in both math and computer fields). In math context, x% of y means x hundredths of y, in other words: value = float(input()) rate = float(input()) percent = value*rate/100 print(str(rate)+'% of',value,'equals',percent)
6th Apr 2020, 12:12 PM
visph + 1
in js that's the modulo operator ^^
6th Apr 2020, 2:11 PM
visph + 1
That's already said in my first post...
6th Apr 2020, 2:12 PM
visph + 1
It's called modular operator.. Gives you reminder of calculation (a%b) in dividend(a) divided by divisor(b). I included already a example in my first post, see it again..
6th Apr 2020, 2:13 PM
Jayakrishna 🇮🇳 + 1
Shadman Sakib Division operator is / returns quotiont. a=30,b=4 document.write(a/b); this prints 7 Modula operator is % returns reminder. document.write(a%b); this prints 2 A slight difference is calling in programming language.
6th Apr 2020, 2:16 PM
Jayakrishna 🇮🇳 + 1
Iyad Ahmed that was not my question.Though thanks for your comment. ☺
8th Apr 2020, 11:16 AM 0
thanks all for the help ☺
8th Apr 2020, 7:20 AM 0
30% is just 30/100 use that instead when doing calculations then multiply by hundred in the end
8th Apr 2020, 10:12 AM  