Why i?

Question

Programming

Why is i the most popular variable in loops?

for ($i = 1; $i <= 10; $i++) {
    echo $i;
}

Where did it come from, any articles? Why did it happen. Just curious to know :)

Answer 1

Iteration

Answer 2

i, jk are from mathematics. Goes apparently from Fortran. There, these variables are integer by default.

Answer 3

Of course iterator

Answer 4

index. From mathematics.

Answer 5

Let's take "i", although no "i" suits us, let's take "m"

Answer 6

Throw in i. I use counter for this purpose. I don't confuse)