Books for Tests

https://hypertextbook.com/facts/

SAT USA Exam

what algebra formulas needed for sat

http://www.mcelroytutoring.com/blog-post.php?id=281 

 https://www.erikthered.com/tutor/facts-and-formulas-0.pdf

https://satprepget800.com/sat-math-formulas-memorize/ 

https://www.youtube.com/watch?v=rcnUtURjWFA

 https://www.lovethesat.com/memorize-these-sat-math-formulas-concepts-and-tricks

 http://www.embracetutoring.com/everything-you-need-to-know-about-sat-math-to-get-a-perfect-score-format-content-strategies-and-tips/

 https://ivyglobal.ca/sat/Downloads/IvyGlobal-SAT_Math_Checklist.pdf

getting perfect score reading  sat

https://blog.prepscholar.com/how-to-improve-your-low-sat-reading-score-6-strategies

 https://www.youtube.com/watch?v=aAQndtgnUAA

1- The Top Ten Mistakes Students Make on Their College Application Essays

https://www.youtube.com/watch?v=wAwd4-evrxQ

http://www.dsmarketing.com/biology.html

School books of children of kerala

http://www.scert.kerala.gov.in/textbook2009/bscience6_e.pdf

Tamil nadu
http://www.textbooksonline.tn.nic.in/
  cbse

http://ncertbooks.prashanthellina.com/