How to ask a complex array question with just "- +.# " ?

I’m trying to ask a question about Array forumlae but I can’t upload a file yet (karma too low) and when I try write it out I get an error which says: "please use letters, numbers and characters “-+.#” "

how does one ask a complex calc question with only - +.# ?

Any text you indent by four spaces or more will automatically be converted to display as block code (like in the answer by @karolus below). I have marked your question up so you should have a little more karma now. You can always upload your file elsewhere and simply include a link.

should I answer my own question and then do I get some more Karma to allow me to upload a file?
My answer: I don’t know!