A better idea would be to use a surrogate currency, like a tera- or peta-Zimbabwean dollar, which had a exchange rate of about 1:10^12 or 1:10^15. I'm sure no

A better idea would be to use a surrogate currency, like a tera- or peta-Zimbabwean dollar, which had a exchange rate of about 1:10^12 or 1:10^15. I'm sure no one dealing with zimbabwean currency would care for so many significant digits.