Group items tagged

"On this site you will find superb calculators for practically any purpose. Whether you are preparing a business plan for your start-up company and need to calculate the NPV for an investment, or if you play free roulette and want to invest your possible winnings in stock market, or perhaps you're trying to compare fuel efficiency of several cars you are considering buying - we have everything you need right here!"

"This is beautiful, powerful, intuitive math that lives in your browser. Graph multiple functions in vivid color and watch them update as you type. Save your work to the cloud or share it with friends."