>it's to differentiate 0 from Ø [a letter used in Danish, Norwegian]
most importantly it's to differentiate it from ∅, mathematical null set.
"computer people" feel this understandable need to differentiate their zeroes, but "CS-is-math people" are like "but don't use null set!" <— ᵇᵘᵗ ʸᵒᵘ ʲᵘˢᵗ ᵘˢᵉᵈ ᶠᵃᶜᵗᵒʳᶦᵃˡ
most importantly it's to differentiate it from ∅, mathematical null set.
"computer people" feel this understandable need to differentiate their zeroes, but "CS-is-math people" are like "but don't use null set!" <— ᵇᵘᵗ ʸᵒᵘ ʲᵘˢᵗ ᵘˢᵉᵈ ᶠᵃᶜᵗᵒʳᶦᵃˡ