(Math) Mathematical Constants

Question 1

π

Answer 1

pi, 3.141592653589…

Question 2

pi

Answer 2

3.141592653589…

Question 3

τ

Answer 3

tau, 2π or 6.283185307179…

Question 4

tau

Answer 4

2π or 6.283185307179…

Question 5

√2

Answer 5

Pythagoras constant, 1.41421

Question 6

Pythagoras constant

Answer 6

√2 or 1.41421

Question 7

√3

Answer 7

Theodorus’ constant, 1.73205

Question 8

Theodorus’ constant

Answer 8

√3 or 1.73205

Question 9

√5

Answer 9

2.23607 (rounded)

Question 10

ϕ

Answer 10

phi / Golden ratio, same as φ, equal to (1+√5)/2 or 1.61803

Question 11

φ

Answer 11

phi / Golden ratio, same as ϕ, equal to (1+√5)/2 or 1.61803

Question 12

phi

Answer 12

Golden ratio, name of the symbol ϕ / φ, equal to (1+√5)/2 or 1.61803

Question 13

Golden ratio

Answer 13

Symbolized by phi / ϕ / φ, equal to (1+√5)/2 or 1.61803

Question 14

δs / δS

Answer 14

Silver ratio symbol, equal to (2+√8)/2 or 2.41421

Question 15

λ

Answer 15

Variation of δs, Silver ratio symbol, equal to (2+√8)/2 or 2.41421

Question 16

σ

Answer 16

Variation of δs, Silver ratio symbol, equal to (2+√8)/2 or 2.41421

Question 17

Silver ratio

Answer 17

Symbolized by δs / λ / σ, equal to (2+√8)/2 or 2.4142

Question 18

i

Answer 18

√-1

Question 19

Imaginary unit

Answer 19

Symbolized by i, √-1

Question 20

Ψ

Answer 20

Supergolden ratio, equal to 1.46557 or the real root of x³ = x² + 1

Question 21

Supergolden ratio

Answer 21

Symbolized by Ψ, equal to 1.46557 or the real root of x³ = x² + 1