Nature hates calculators.
All the calculators do is project an interest rate and a tax rate for retirement. You can't rely on that. It's a guide, maybe.
Electronic calculators can solve problems which the man who made them cannot solve; but no government-subsidized commission of engineers and physicists could create a worm.
Escaping from credit card debt can seem overwhelming. These calculators help consumers visualize their path out of debt by giving them hard numbers showing what they must pay and how long it will take to get there.
We're very seasonal. Our calculators, which are used in the math and science classrooms, are on teachers' [school supply] lists that get passed out in the August-to-September time frame. So initially, we'd like to [use RFID to] prevent out-of-stocks and keep products flowing during that key back-to-school season.
But the age of chivalry is gone. That of sophisters, economists, and calculators has succeeded; and the glory of Europe is extinguished forever.