• CODATA Recommended Values of the Fundamental Physical Constants
• Fundamental Physical Constants / Naturkonstanten
• Physical/Astronomical constants
• Standard Atmosphere Computation
• FAQ - NASA Constants and Equations

• A Way Of Drawing Natural Numbers
• Balanced Ternary - Uses of and how to do arithmetic in balanced ternary.
• Continued Fractions - introduction to continued fractions.
• Decimal to Hexadecimal Conversion Table
• Digits Project
• Factorial Computations - Java applet.
• Favorite Mathematical Constants - These essays aim to show that there are many interesting constants in mathematics other than pi and e.
• Fibonacci Numbers and the Golden Section - making maths fun by looking at the Fibonacci numbers and why they occur everywhere.
• Fun With Numbers
• Integer Sequences - Help in identifying a number sequence (such as 1, 1, 2, 3, 7, 16, 54, 243, 2038, 33120, ...).
• Numbers: Facts, Figures & Fiction
• RJN's More Digits of Irrational Numbers Page
• Tables of Constants

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