Tools

http://www.cymath.com/

http://www.mathportal.org/calculators.php

https://www.desmos.com/calculator

Operations and understanding the Vocabulary of Algebra

Operations

$+\times <!--\; \times \; -->+=+-<!--\; -\; -->\times <!--\; \times \; -->-<!--\; -\; -->=++\times <!--\; \times \; -->-<!--\; -\; -->=-<!--\; -\; -->-<!--\; -\; -->\times <!--\; \times \; -->+=-<!--\; -\; -->$
When they occur in same sentence; first \(\times\) then \(\div\) then + then -. Always left to right.

Understanding the Vocabulary of Algebra