You can do the math in your head. No one's saying you can't do the math in your head. But with all the distractions coming at you on a typical workday, it still makes sense to double-check your work. Whether you're figuring out next year's budget, ordering carpet for the office, or going over your taxes, it's always a good idea to double-check with someone whose math skills you trust.

And since you probably don't trust any of your co-workers' math skills all that much, it makes sense to invest in a calculator. In fact, you should probably hand out calculators to everyone in your business circle.

The Solar Calculator is a simple, practical gift that will be used for years to come. Order yours today.