Need a Math Refresher? Check Out Khan Academy!

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I'm an engineer student, and I think I need a refresher on everything from algebra to calculus. Would definitely appreciate it if some of you can provide recommendations for some math self study software.
 
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It's a web site, not software, but a number of people have made favorable remarks about Khan Academy:

http://www.khanacademy.org/

Disclaimer: haven't tried it myself.
 
graycolor said:
I'm an engineer student, and I think I need a refresher on everything from algebra to calculus. Would definitely appreciate it if some of you can provide recommendations for some math self study software.

Try looking at mat tutor dot com (without spaces of course)
The
Math Tutor educational software series is a proven family of high school and middle school math teaching and review academic tutorial software programs. Schools seeking curriculum based interactive math learning software for Grades 6-12 will find the series to be ideal. Parents in need of home school math learning and tutorial software will also find the series to be ideal. Schools, families, and individuals alike have found the Math Tutor series to offer the best math educational teaching software available anywhere. The series is also effective for remedial and developmental math instruction. The subject of pre-algebra serves as a critical foundation for the math subjects that follow. Pre-Algebra in our "Concepts and Skills Series" is an outstanding pre-algebra academic tutorial software program.

It is complemented by Pre-Algebra in our "Practice and Review Series", which is a highly effective pre-algebra review and practice instructional software package. Each of the subjects that follow pre-algebra - algebra 1, geometry, algebra 2, trigonometry, and calculus - is given outstanding, comprehensive treatment by other programs in the series. For example, Algebra 1 in the "Concepts and Skills Series" will help students learn the concepts of elementary algebra, and basic problem solving. Algebra 1 in the "Practice and Review Series" will help students build mastery in solving problems of intermediate and advanced difficulty.
 
awkward said:
It's a web site, not software, but a number of people have made favorable remarks about Khan Academy:

http://www.khanacademy.org/

Disclaimer: haven't tried it myself.

Thank you! Very useful site indeed
 
Suppose ,instead of the usual x,y coordinate system with an I basis vector along the x -axis and a corresponding j basis vector along the y-axis we instead have a different pair of basis vectors ,call them e and f along their respective axes. I have seen that this is an important subject in maths My question is what physical applications does such a model apply to? I am asking here because I have devoted quite a lot of time in the past to understanding convectors and the dual...
Insights auto threads is broken atm, so I'm manually creating these for new Insight articles. In Dirac’s Principles of Quantum Mechanics published in 1930 he introduced a “convenient notation” he referred to as a “delta function” which he treated as a continuum analog to the discrete Kronecker delta. The Kronecker delta is simply the indexed components of the identity operator in matrix algebra Source: https://www.physicsforums.com/insights/what-exactly-is-diracs-delta-function/ by...

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