Google has added a calculator to its search results. When you type a formula into its search box, Google now will spit out the answer in a new calculator that it has brought to its results. Once the calculator is displayed, you can tap numbers and scientific functions to send it a new equation. The search box will also still work for that. Prior to this addition, Google allowed users to type any equation into its search tool. The search engine would then spit out the answer. However, this is the first time that Google has displayed an actual calculator users can interact with. Read the full story at CNET.