1. WolframAlpha brings expert-level knowledge and capabilities to the broadest possible range of people—spanning all professions and education levels.

  2. fxSolver is an free online math solver, equation library, graphing calculator and science/engineering problem helper. To get started, add some formulas, fill in any input variables and press "Solve."

  3. SpeedCrunch. SpeedCrunch is a high-precision scientific calculator featuring a fast, keyboard-driven user interface. It is free and open-source software, licensed under the GPL. Download Documentation Donate .

  4. Soulver is a software application that functions as a calculator that allows you type a continuous stream of information rather than having to input data into multiple cells.

  5. Get help and support for Windows —Windows 10, Windows 8.1, Windows 7, and Windows 10 Mobile.

  6. Calculator for the GNOME Desktop Environment, formerly known as gcalc (and gcalctool CLI).

  7. Numi Organic Tea is a premium, Fair Trade sustainable company specializing in unique and innovative blends of green, black, white, oolong teas, Pu-erh, rooibos, herbal and Flowering Tea™.

  8. Free Step-By-Step Solutions to algebra problems.

  9. Mathematica is a technical computing system with a broad range of uses throughout various fields of discipline.

  10. Photomath is a mobile app that will give you the ability to test your equations through a simple calculator interface that will fully explain the solution in a step-by-step fashion. Read more about Photomath.