What does "%" mean in programming?

Question

I'm facing a great problem with just a tiny symbol "%". The problem is :
x = numbers
y = numbers
puts/print x%y
What sould be the output?

For example :
x = 9
y = 7
puts x%y
What is the calculation actually?
Thanks !

Answer 1

'%' this sign stands for modulo sign.
It is use to get carry after devision.

Like if you are dividing 10 by 3 then carry will be 1 because 3*3 = 9 and 1 will be carry.

So x = 9
Y = 7

puts x%y will be 2 because 7*1 = 7 and you need 2 more to get 9.

BTW please use search feature before posting a question.
This question is been asked a lot of times.

Answer 2

Hi Arb Rahim Badsa,
We called a modulo (percent symbol "%").

Answer 3

Was just trying to be helpful. Take it or leave it. It's no skin off my nose.

Answer 4

Arb Rahim Badsa use this code. Try it for yourself. Change the numbers around and experiment. Have fun!

https://code.sololearn.com/ctSjeIXehrNz/?ref=app

Answer 5

Well...as long as you got the information.

Answer 6

Yes its true for every number

Answer 7

% its gives remainder after doing division operation
9%7 = 2
because 2 remains after divide 9 with 7

Answer 8

I know that already Charlie Mitchell look my first comment its gives remainder by any number if 2 % 7 too then too remainder will be 2 because there is no division operation is perform i just gave an example which author of the post included

Answer 9

One thing to add:

In Python you can (same logic) also use modulo with floats:

3.6 % 1.1 == 0.3

(Well - about 0.3 ^^)

Answer 10

Thank you very much for the great contribution ! It was very very helpful ! Thanks everyone !

Answer 11

Its called the modulo operator..using basic elementqry school division..it means you can only subtract a 7 from 9,with a remainder of 2

Answer 12

this can help u
https://cs50.stackexchange.com/questions/
9072/modulo-not-working-in-greedy

Answer 13

its called modulus and its used to get the reminder of two numbers

eg:- if 5%3 then the result is 2 because the reminder is 2

and if 4%4 its 0 and so on...

Answer 14

Modulo in c++
It bascically calculates the remainder . Used to separate the individual digits of a number.
Like 5546 % 10=6. This is quite useful in several programs.

Answer 15

In python it works as a reminder
9%7= 2 mean how many times does 7 enters into 9, is 1 remainder 2
Example 10 % 3 = 1

Answer 16

Mohit the coder (M.S.D) Is it true for every numbers?

Answer 17

Yes, it is the % character is called "the modulo". This is the remainder from doing a division. When the division has no remainder the % =0, else it will always contain a number.
1. 9/3=3 with a modulo of 0
2. 9/2= 4 with a remainder of 1, thus the modulo (%) is 1.
3. 9/-2= -4 with a remainder of 1, thus the modulo (%) is 1.
Please let me know if you need any further assistance. A Google Search returns multiple resources.

Answer 18

"%" sign called the Modulus Operator. It returns the remainder of simple integer division.