- Ask Dr. Math
- K-12 math students can submit a math question that volunteer "doctors" will answer via e-mail throughout the day during the academic year. A searchable archive is arranged by grade level.
- Biographies of Women Mathematicians
- Brief biographies of women mathematicians, some with pictures, presented in alphabetical and chronological formats.
- Khan Academy
- The Khan Academy is a non-profit organization that offers 1000+ videos on YouTube covering everything from basic arithmetic and algebra to differential equations, physics, chemistry, biology and finance .
- Provides math tables from the simplest to most complex branches of the field. There are also related links including an English-Spanish Math Dictionary.
- Mathematical MacTutor's History of Mathematics
- Searchable indexes to biographies, history topics, and famous curves. Also graphic chronologies, birthplace maps, mathematicians of the day, and anniversaries for the year.
- If you are stumped by word problems involving percents, this site can help. Simply select the word problem form which resembles your problem, fill in the blanks, and click "Solve."
- Wolfram MathWorld
- Comprehensive mathematics encyclopedia intended for students, educators, math enthusiasts, and researchers. Search by keyword, subject or alphabetically.
maintained by the staff of the
Business, Science & Technology Department,
State Library Resource Center,
Enoch Pratt Free Library