Reminder: Make a list of deleted, or those which might get deleted in the future, posts.

Main:

• Archive-version - May get deleted; Original.
• How to prove the External Bisector Theorem by dropping perpendiculars from a triangle's vertices?
• http://math.stackexchange.com/questions/1019837/is-the-statement-the-sun-orbits-the-earth-true-false-or-ambiguous

• Literature for Modern-elementary-Arithmetic/Algebra.

• What is the name of this proof of, "$\sqrt{2}$ is irrational"?

• Is there any notation for general $n$-th root $r$ such that $r^n=x$?
• Literature for Modern-elementary-Arithmetic/Algebra.
• Understanding the proof of the existence of Fundamental Theorem of Arithmetic as explained on wikipedea.
• Need resources for difficult Algebraic Identites.
• How to solve the sequence: $87, 89, 95, 107, ?, 157$
• The minute hand of a clock overtakes the hour hand at intervals of 65 minutes of correct time. How much a day does the clock gain?
• Solution of $\frac{a}{b}=\frac{a'}{b'}$ if $a,b,a',b' \in \mathbb{N}$
• Understanding Bézout's identity's proof as given on wikipedea.

Meta:

• http://meta.math.stackexchange.com/questions/20022/can-questions-with-accepted-answers-be-deleted

P.S: SE Philosophy Sucks.