The technical impact of a negative interest rate is going to be a huge concern for hundreds of thousands of financial systems. While a numeric ranges below zer

The technical impact of a negative interest rate is going to be a huge concern for hundreds of thousands of financial systems. While a numeric ranges below zero, there will be a lot of code that relies on the principle that the base rate will be more than zero. Even if zero itself, consider any function that divides by the base rate!