MYSTERIES OF THE EQUILATERAL TRIANGLE - HIKARI Ltd
MYSTERIES OF THE EQUILATERAL TRIANGLE - HIKARI Ltd
MYSTERIES OF THE EQUILATERAL TRIANGLE - HIKARI Ltd
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Index 225<br />
Einstein, A. 84, 167, 172<br />
Einthoven’s Triangle (electrocardiography)<br />
81-82<br />
Eisenstein, Gotthold 167<br />
Elder Wand 28<br />
electrical axis (heart) 81-82<br />
electrocardiography vi<br />
electrohydrodynamic (EHD) device<br />
84<br />
electromagnetics 102<br />
electron microscopy 99<br />
Elements iv, 1, 150, 161, 173<br />
ellipsoidal shape 34-35<br />
Emperor Justinian 150<br />
Emperor Rudolph II 155<br />
Eötvös Lorand University (Hungary)<br />
177<br />
equation (equilateral triangle) 31<br />
equiangularity 69<br />
equilateral<br />
shadows 51<br />
spirals 69<br />
triangle i-vii, 1-198<br />
triangles and triangles 43<br />
Equilateral Triangle Method (surveying)<br />
78<br />
Equilateral Triangle Rule (speaker<br />
placement) 92-93<br />
equilateral triangular<br />
anemometer 96<br />
billiards 118-120, 180<br />
fractals 58<br />
lattice 60-61, 120<br />
membrane 100-101<br />
microphone placement 92-93<br />
mosaic 61<br />
prism 100-101<br />
rotor 57<br />
equilic quadrilateral 48<br />
equitriangular unit of area (etu) 33<br />
Erdély, Dániel 128<br />
Erdös-Mordell inequality 53<br />
Erdös-Moser configuration 55<br />
Erdös number 177-178<br />
Erdös, Paul 177-178, 187<br />
Erdös Sphere Coloring Problem 110-<br />
111<br />
error-correcting code 91-92<br />
ESA 84<br />
Escher, Maurits 176, 194<br />
Essay on Conic Sections 159<br />
Essay on the Foundations of Geometry<br />
173<br />
Eternity Puzzle 124-125<br />
ETH-Zurich 169, 172<br />
Euclidean geometry 126-127<br />
Euclid of Alexandria iv, 1, 30, 150-<br />
152, 154, 158, 183<br />
Eudoxus 149-150<br />
Euler, Leonhard 11, 125, 161, 184<br />
Euler line 46, 161<br />
Euler’s inequality 52, 161<br />
Eves, Howard 66<br />
excenter 46<br />
excentral triangle 46<br />
excentral triangle iteration 46<br />
Eye of God 18<br />
Fagnano, Giovanni 54<br />
Fagnano, Giulio 54<br />
Fagnano orbit 118-120<br />
Fagnano Problem 54, 119, 170<br />
fallout shelter (triangular) 196<br />
Father 18<br />
Fejér, L. 177<br />
Fermat, Pierre de 35, 50, 153, 156,<br />
159, 184<br />
Fermat point 35-36, 39, 158<br />
Fermat prime 164<br />
Fermat’s Factorization Method 157<br />
Fermat’s Last Theorem 157, 161<br />
Fermat’s Little Theorem 157<br />
Fermat’s Method of Descent 157<br />
Fermat’s Polygonal Number Conjec-
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