We’re Not Sure Why These 43 Useful Inventions Aren’t More Common

Oh, you read that correctly! This invention might not be life-changing for everyone, but if you’re crunching numbers all day long, maybe a business manager, accounts manager, or an accountant, this may be just the tool for you. Picture a wireless mouse with a calculator inside and can be interchangeably used between devices. We will wait for the “ooh’s”!

Do you remember your 5th-grade teacher telling you that you needed to memorize your math facts because you won’t always have a calculator at your disposal? Well, if she can only see this invention now! You will never be far from a calculator between this and cell phones. (For the record, we still strongly support memorizing your math facts!) This is simply a handy gadget.