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Mar
20
revised Does the square or the circle have the greater perimeter? A surprisingly hard problem for high schoolers
added mathy stuff
Mar
19
comment Does the square or the circle have the greater perimeter? A surprisingly hard problem for high schoolers
@StevenStadnicki: I think you do not mean "formulas for the perimeters" but rather the relation between the diameter and the sides of the square?
Mar
19
revised Does the square or the circle have the greater perimeter? A surprisingly hard problem for high schoolers
rearrangment and tidiness
Mar
19
answered Does the square or the circle have the greater perimeter? A surprisingly hard problem for high schoolers
Sep
24
awarded  Autobiographer
Jul
3
answered How to distinguish walking on a sphere or on a torus?
Nov
12
answered General formula for roots for cubic equation
May
22
awarded  Necromancer
Jan
1
awarded  Teacher
Nov
11
awarded  Editor
Nov
11
revised Good Physical Demonstrations of Abstract Mathematics
example added
Nov
11
answered Good Physical Demonstrations of Abstract Mathematics
Nov
11
comment Good Physical Demonstrations of Abstract Mathematics
Also, that an cyclonic system must always exist. On a planet.