Rational Websites
analyzemath.com
Free analytical and interactive math, calculus, geometry and trigonometry tutorials and problems with solutions. Thousands of problems and examples with detailed solutions and...
36,121 
$ 371,520.00
amathsdictionaryforkids.com
Interactive, animated maths dictionary with over 630 common math terms and math words explained in simple language with examples. Device friendly version with 950+ entries. Math...
191,099 $ 58,200.00
biblemeanings.info
Meaning of the Word of God in the Old and New Testaments
535,560 $ 2,160.00