For currency, I think it's just a mental consistency. I type 1%, I say one percent. I type $1, I say dollar one? I understand it's not correct at all. But I

For currency, I think it's just a mental consistency. I type 1%, I say one percent. I type $1, I say dollar one? I understand it's not correct at all. But I can internally justify why people type "1$" when they're thinking "one dollar".