Free Mac program: http://www.geogebra.org/cms/download
Free Windows program: http://www.geogebra.org/cms/download
Google Chrome app: https://chrome.google.com/webstore/detail/geogebra/bnbaboaihhkjoaolfnfoablhllahjnee
Website: http://education.wolfram.com/
Free Mac program: http://education.wolfram.com/cdf-player-download.html
Free Windows program: http://education.wolfram.com/cdf-player-download.html
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
Website: http://virtualnerd.com/
Website: http://www.instagrok.com/
Free iPad app: https://itunes.apple.com/us/app/instagrok/id777873941?mt=8&uo=4&at=10l6SU
Google Apps for Education app: https://www.google.com/enterprise/marketplace/viewListing?productListingId=17789+13349884249762973052
Google Chrome app: https://chrome.google.com/webstore/detail/instagrok/flonaffkffjppejcafgpdgilebfikemd
Edmodo app: http://www.edmodo.com/publisher?uid=7493337
Website: http://knowmia.com/
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
Website: http://www.ipracticemath.com/
Website: http://www.algebrahelp.com/
Free iPad app: https://itunes.apple.com/us/app/mathgraph/id494113780?mt=8&uo=4&at=10l6SU
Website: http://www.lessoncorner.com/
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 iPad app: https://itunes.apple.com/us/app/hmh-fuse-algebra-1/id415533582?mt=8&uo=4&at=10l6SU
Free iPad app: https://itunes.apple.com/us/app/wiled-math/id595171138?mt=8&uo=4&at=10l6SU