Tupper's 'Self-referencing' Formula

[Albert Chan]

(05-20-2022 08:46 PM)matalog Wrote:  You refer to q2 as a string when you use

Code:

q = q .. q2

but you refer to it as a number when you use

Code:

local q2 = floor(r2/den)

. Is it a string or a number?

q2 is a number, 0 to 9

For string concatenation, lua has implicit number/string conversion.
To write code explicitly, it is q = q .. tostring(q2)