Here's "some program" pseudocode...
Do math on paper, on some program
or you just sit and think until it "feels" right
Dim it As Integer
Dim feelsRight As Integer
it = 1
feelsRight = 2
Do Until it > feelsRight
on(Paper)
on(Program)
it = it + 1
Loop
Pseudo Mathematics Notation
∑ do(it)
it ∈ feelsRight
Locksuit, do you think it feels right?