http://en.wikipedia.org/wiki/Mathomatic
an open source math solver, will also output answers to programming code, can solve polynomials, do calculus, trig...etc. You can use it to check your answers.
You don't neccessarily 'need' a textbook. You can probably find the information you seek all online. If you have any questions you can ask yahoo answers.
http://en.wikipedia.org/wiki/Mathomatic an open source math solver, will also output answers to programming code, can solve polynomials, do calculus, trig...etc. You can use it to check your answers.
http://www.math.com/ the website has a lot of topics.
You don't neccessarily 'need' a textbook. You can probably find the information you seek all online. If you have any questions you can ask yahoo answers.
http://tutorial.math.lamar.edu/links.aspx http://etc.usf.edu/math/index.htm an overwhelming list of math sites. SOS math has worked well at helping me in the past.