John Morse
(JWMMATH) A potpourri of mathematical tidbits, recreations, puzzles, and comparison/contrast between arithmetic and algebra. (Updated on April 28, 2017)
Prime factors of over 1,100 consecutive composite numbers.
...Taking a relaxing break from math tutoring. (Photo is of me with rock band Styx {tm}).
Mathematics - 17 times the 3-digit abc is the four-digit 2abc. abc equals...?
Mathematics - a very strange way to recall pi as 3.14159
Mathematics - Locate a number up to 15
Mathematics - Base Two (Binary) system examples - digits one and zero only
Mathematics - Summation examples, "Sigma" notation
Mathematics - Geometric Mean - Examples with Fractions
Mathematics - Geometric Mean - Example
Mathematics - a Geometric Mean between two numbers
Mathematics - Comparison of total surface area and volume of a cube (Part 3 of 3)
Mathematics - Total Surface Area of cubes (part 2 of 3)
Mathematics - Comparison of total surface area and volume of a cube (Part 1 of 3)
Mathematics - Computing an Average using an "over/under" method
Mathematics - 945, the first positive odd abundant whole number!
Mathematics - Lattice points on a circle on coordinate plane
Mathematics - Sum of any two different bowling scores is a perfect square.
Mathematics - Graphing a Parabola from elementary addition problems.
Mathematics - Cyclic permutations of 142857 when multiplied by 2 thru 6.
Mathematics - The Remarkable Number 0588235294117647 - Cyclic Permutations of Digits.
Mathematics - Conjugates of expressions containing square roots
Mathematics - What is a complex conjugate?
Mathematics - What is a "conjugate" of an expression?
Least multiple of 2013 that contains 1's and 0's only.
Mathematics - Least multiple of 2013 which contains only 0's and 1's
Mathematics - least multiple of 2003 that has 1's and 0's only
Mathematics - Fifteen examples of summations (sum of series of numbers)
Mathematics - Square of a Sum, e.g., ( 7 + 3 ) x ( 7 + 3 )
Mathematics - What is the next greater multiple of 144 ending in ...144 ?
Mathematics - The Three Cube Roots of 8 - an informal, relaxed approach.