List of helpful math apps.
Paid iPad app: http://itunes.apple.com/app/wolfram-algebra-course-assistant/id410592976?mt=8&uo=4&at=10l6SU
Paid iPhone app: http://itunes.apple.com/app/wolfram-algebra-course-assistant/id410592976?mt=8&uo=4&at=10l6SU
Paid iPad app: http://itunes.apple.com/app/wolfram-linear-algebra-course/id504401417?ls=1&mt=8&uo=4&at=10l6SU
Paid iPhone app: http://itunes.apple.com/app/wolfram-linear-algebra-course/id504401417?ls=1&mt=8&uo=4&at=10l6SU
Paid iPad app: http://itunes.apple.com/app/wolfram-pre-algebra-course/id453096829?ls=1&mt=8&uo=4&at=10l6SU
Paid iPhone app: http://itunes.apple.com/app/wolfram-pre-algebra-course/id453096829?ls=1&mt=8&uo=4&at=10l6SU
Paid iPad app: https://itunes.apple.com/us/app/dragonbox-algebra-12+-award/id634444186?mt=8&at=10l6SU
Paid iPhone app: https://itunes.apple.com/us/app/dragonbox-algebra-12+-award/id634444186?mt=8&at=10l6SU
Paid Mac program: https://itunes.apple.com/us/app/dragonbox-algebra-12+-award/id813681744?mt=12&at=10l6SU
Free iPad app: https://itunes.apple.com/us/app/algebra-genie/id481026577?mt=8&uo=4&at=10l6SU
Free iPhone app: https://itunes.apple.com/us/app/algebra-genie/id481026577?mt=8&uo=4&at=10l6SU
Free Android Phone app: https://play.google.com/store/apps/details?id=air.com.zegenie.algebra
Paid iPhone app: https://itunes.apple.com/us/app/alge-bingo/id490498376?mt=8&uo=4&at=10l6SU
Paid iPad app: https://itunes.apple.com/us/app/alge-bingo/id490498376?mt=8&uo=4&at=10l6SU
Paid iPad app: https://itunes.apple.com/us/app/hands-on-equations-1-fun-way/id505948222?mt=8&uo=4&at=10l6SU
Paid iPhone app: https://itunes.apple.com/us/app/hands-on-equations-1-fun-way/id505948222?mt=8&uo=4&at=10l6SU
Free iPad app: https://itunes.apple.com/us/app/fluidgraphfree/id598654407?mt=8&uo=4&at=10l6SU
Paid iPad app: https://itunes.apple.com/us/app/fluidgraph-2014/id631425247?mt=8&uo=4&at=10l6SU
Free iPad app: https://itunes.apple.com/us/app/mathgraph/id494113780?mt=8&uo=4&at=10l6SU
Website: http://www.algebrahelp.com/
Paid iPad app: https://itunes.apple.com/us/app/fx-math-for-education/id832198101?mt=8&uo=4&at=10l6SU
Paid iPhone app: https://itunes.apple.com/us/app/fx-math-for-education/id832198101?mt=8&uo=4&at=10l6SU
Free iPad app: https://itunes.apple.com/us/app/number-crush/id744822983?mt=8&uo=4&at=10l6SU
Free iPhone app: https://itunes.apple.com/us/app/number-crush/id744822983?mt=8&uo=4&at=10l6SU
Free Android Phone app: https://play.google.com/store/apps/details?id=com.infologic.mathmagiclite
Free Mac program: http://www.mathmagic.com/product/lite.html
Paid Mac program: http://www.mathmagic.com/download/download.html
Paid Windows program: http://www.mathmagic.com/download/download.html
Free iPhone app: https://itunes.apple.com/us/app/math-ref-free/id312756358?mt=8&uo=4&at=10l6SU
Free iPad app: https://itunes.apple.com/us/app/math-ref-free/id312756358?mt=8&uo=4&at=10l6SU
Paid iPhone app: https://itunes.apple.com/us/app/math-ref/id301384057?mt=8&uo=4&at=10l6SU
Paid iPad app: https://itunes.apple.com/us/app/math-ref/id301384057?mt=8&uo=4&at=10l6SU
Paid iPhone app: https://itunes.apple.com/us/app/math-formulas-reference-guide/id423545644?mt=8&uo=4&at=10l6SU
Paid iPad app: https://itunes.apple.com/us/app/math-formulas-reference-guide/id423545644?mt=8&uo=4&at=10l6SU
Website: http://www.ipracticemath.com/
Free iPad app: https://itunes.apple.com/us/app/math-equations/id698290670?mt=8&uo=4&at=10l6SU
Free iPhone app: https://itunes.apple.com/us/app/math-equations/id698290670?mt=8&uo=4&at=10l6SU
Paid iPad app: https://itunes.apple.com/us/app/fx-algebra-for-education/id832318465?mt=8&uo=4&at=10l6SU
Paid iPhone app: https://itunes.apple.com/us/app/fx-algebra-for-education/id832318465?mt=8&uo=4&at=10l6SU
Paid Mac program: http://www.softmath.com/ordering-algebra.html
Paid Windows program: http://www.softmath.com/ordering-algebra.html
Free iPad app: https://itunes.apple.com/us/app/fx-math-solver/id493941470?mt=8&uo=4&at=10l6SU
Free iPhone app: https://itunes.apple.com/us/app/fx-math-solver/id493941470?mt=8&uo=4&at=10l6SU