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Word Problems

Browse Middle School History/Biography
Stars indicate particularly interesting answers or good places to begin browsing.

Selected answers to common questions:
    About Roman numerals.

What is the reciprocal of the fraction 451/15 ?

Bach and Mathematics [04/16/1997]
What are some of the connections between music and math?

Bachet's Theorem [10/08/1998]

What does a bar over a whole number indicate?

Base of Roman Numerals [04/07/2001]

The Base of Roman Numerals [02/19/2004]
What base does the Roman Numeral system use?

Calculating the Date of Easter [04/04/2001]
How is the date Easter falls on calculated?


Chinese Rod-Numeral System [11/09/1998]
How exactly does the Chinese rod-numeral system work?




Converting Julian Date to Gregorian [03/20/2001]

Converting to Bushels [05/18/2002]
How can I convert cubic feet to bushels?

Counting in the Teens [09/10/1998]

Counting Number Angles [10/13/2002]
I am trying to find the history of counting number angles.

Counting Sheep the Traditional Way [10/13/2003]

Decimals and Roman Numerals [10/22/1998]
Is there any notation for fractions in Roman numerals?

Decimal System [08/12/2003]

The Degree Symbol [11/02/1998]

Deriving Pi [05/10/2001]

Division with Roman Numerals [03/02/2004]

Egyptian Division [06/23/1998]
How did the ancient Egyptians do division?

Egyptian Equivalent of Pi [05/15/2003]
The ancient Egyptians used the formula (d-d/9)^2 for the area of a circle with diameter d. What value for pi does the formula yield?

Egyptian Fractions [03/21/1999]
Can you help me understand Egyptian fractions?

Egyptian Numerals [10/14/1998]
Can you give me some information or references on Egyptian numerals?

Etruscan Origins of Roman Numerals [12/07/2003]


Facts about e [11/09/1998]

Famous Math Problems [6/27/1996]
Could you send me a listing of famous math problems?

Fibonacci [01/31/1997]
Where can I learn more about Leonard of Pisa?

Formula for Easter [06/12/1999]
Is there a formula for finding the month and the day on which Easter falls in a given year?


Gallons and Cubic Inches [09/04/2001]
I know that 1 gallon is 231 cubic inches, based on the old English "wine gallon" unit. Why was the number 231 used?

Garfield's Pythagorean Theorem Proof [02/27/1997]
Which President of the United States wrote a proof of the Pythagorean Theorem? On what did he base his proof?

Geometry History [8/8/1996]
I'm looking information about the history of Geometry.

Golden Rectangle History [9/7/1996]

Who coined the phrase "googleplex," and when?

Greatest Mathematician [8/9/1996]
Who was the greatest mathematician ever?

Harmonic Mean [12/15/1996]
What is the harmonic mean and how do you use it?


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