SMath Studio Cloud
SMath Studio Cloud (formerly also known as SMath Live) is a feature-rich, browser-based math editor with support for units of measurement and plots. There is nothing to install on your computer or any other device — all you need is a web browser.
It is important to understand that this is not a separate product that merely looks and behaves like the desktop application. It is the same code base, simply wrapped for use in a web environment: the computational engine, the unit handling, the numeric and symbolic algorithms are all exactly the ones that run in the desktop version. Only the presentation layer differs. As a result, a worksheet produces identical results in the browser and on the desktop, and new capabilities added to the core become available in both places at once.
The service is always available at: https://smath.com/en-US/cloud