A quirky banking habit hiding a centuries-old story of mathematical conquest and distrust. Picture this: you sit down to write a cheque. You fill in “100” in the little box, and then, right below it, you dutifully write “One hundred rupees only.” Why? The numbers are right there. Is anyone worried you can’t count? As … Continue reading Why We Write ‘One Hundred’ on a Cheque — and Why Europe Is to Blame