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Constants
π
Pi
e
Euler's Number
φ
Golden Ratio
√2
Square Root of 2
γ
Euler-Mascheroni
ln2
Natural Log of 2
τ
Tau
ℙ
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∄
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ℂ
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Fₙ
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Hₙ
Harmonic Series
₂₈
Number Systems
mod
Modular Arithmetic
496
Perfect Numbers
[…]
Continued Fractions
Identities & Theorems
eiπ
Euler's Identity
a²
Pythagorean Theorem
π(n)
Prime Number Theorem
∫
Fundamental Theorem
4C
Four Colour Theorem
dM
De Moivre's Theorem
Σ
Taylor Series
√π
Gaussian Integral
π/2
Wallis Product
n!
Stirling's Formula
ζ
Riemann Zeta
More Constants
π²/6
Basel Problem
G
Catalan's Constant
ζ(3)
Apéry's Constant
δ
Feigenbaum Constant
eᵖⁱ
Gelfond's Constant
g°
Golden Angle
C₂
Twin Prime Constant
ρ
Plastic Number
K₀
Khinchin's Constant
R
Ramanujan Constant
C₁₀
Champernowne
Ω
Omega Constant
δₛ
Silver Ratio
T
Tribonacci Constant
E
Erdos-Borwein
λ
Conway Constant
L
Liouville's Constant
M
Meissel-Mertens
β
Levy's Constant
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Major System
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Study Phi Sequences
Memory lives in your fingers, not your brain. Use them.
1–6
1
6
1
8
0
3
16
🍽️
Dish
18
🕊️
Dove
03
🧵
Seam
7–12
3
9
8
8
7
4
39
🗺️
Map
88
🎉
Viva
74
🐦⬛
Crow
13–18
9
8
9
4
8
4
98
🥩
Beef
94
🐻
Bear
84
🧥
Fur
19–24
8
2
0
4
5
8
82
🌀
Fan
04
🩹
Sore
58
🍃
Leaf
25–30
6
8
3
4
3
6
68
🪒
Shave
34
🐴
Mare
36
🔥
Match
31–36
5
6
3
8
1
1
56
🐛
Leech
38
🎩
Mafia
11
🐸
Toad
37–42
7
7
2
0
3
0
77
🎂
Cake
20
👃
Nose
30
🐭
Mouse
43–48
9
1
7
9
8
0
91
🦇
Bat
79
🚕
Cab
80
😊
Face
49–54
5
7
6
2
8
6
57
🔐
Lock
62
⛓️
Chain
86
🐟
Fish
55–60
2
1
3
5
4
4
21
🕸️
Net
35
🦔
Mole
44
🐊
Roar
61–66
8
6
2
2
7
0
86
🐟
Fish
22
⛪
Nun
70
🪿
Goose
67–72
5
2
6
0
4
6
52
🦁
Lion
60
🏃
Chase
46
⛰️
Ridge
73–78
2
8
1
8
9
0
28
⚓
Navy
18
🕊️
Dove
90
🚌
Bus
79–84
2
4
4
9
7
0
24
👩⚕️
Nurse
49
🪢
Rope
70
🪿
Goose
85–90
7
2
0
7
2
0
72
🪙
Coin
07
🧦
Sock
20
👃
Nose
91–96
4
1
8
9
3
9
41
🛣️
Road
89
🎶
Vibe
39
🗺️
Map
97–102
1
1
3
7
4
8
11
🐸
Toad
37
☕
Mug
48
🏠
Roof
103–108
4
7
5
4
0
8
47
🪨
Rock
54
🎣
Lure
08
🔒
Safe
109–114
8
0
7
5
3
8
80
😊
Face
75
🖤
Coal
38
🎩
Mafia
115–120
6
8
9
1
7
5
68
🪒
Shave
91
🦇
Bat
75
🖤
Coal
121–126
2
1
2
6
6
3
21
🕸️
Net
26
🌮
Nacho
63
🐒
Chimp
127–132
3
8
6
2
2
2
38
🎩
Mafia
62
⛓️
Chain
22
⛪
Nun
133–138
3
5
3
6
9
3
35
🦔
Mole
36
🔥
Match
93
💣
Bomb
139–144
1
7
9
3
1
8
17
🦆
Duck
93
💣
Bomb
18
🕊️
Dove
145–150
0
0
6
0
7
6
00
🍝
Sauce
60
🏃
Chase
76
📣
Coach
151–156
6
7
2
6
3
5
67
⚡
Shock
26
🌮
Nacho
35
🦔
Mole
157–162
4
4
3
3
3
8
44
🐊
Roar
33
🧟
Mummy
38
🎩
Mafia
163–168
9
0
8
6
5
9
90
🚌
Bus
86
🐟
Fish
59
💋
Lip
169–174
5
9
3
9
5
8
59
💋
Lip
39
🗺️
Map
58
🍃
Leaf
175–180
2
9
0
5
6
3
29
💤
Nap
05
⛵
Sail
63
🐒
Chimp
181–186
8
3
2
2
6
6
83
🫧
Foam
22
⛪
Nun
66
⚖️
Judge
187–192
1
3
1
9
9
2
13
⚰️
Tomb
19
🛀
Tub
92
🦴
Bone
193–198
8
2
9
0
2
6
82
🌀
Fan
90
🚌
Bus
26
🌮
Nacho
199–204
7
8
8
0
6
7
78
🕳️
Cave
80
😊
Face
67
⚡
Shock
205–210
5
2
0
8
7
6
52
🦁
Lion
08
🔒
Safe
76
📣
Coach
211–216
6
8
9
2
5
0
68
🪒
Shave
92
🦴
Bone
50
🤠
Lasso
217–222
1
7
1
1
6
9
17
🦆
Duck
11
🐸
Toad
69
🚢
Ship
223–228
6
2
0
7
0
3
62
⛓️
Chain
07
🧦
Sock
03
🧵
Seam
229–234
2
2
2
1
0
4
22
⛪
Nun
21
🕸️
Net
04
🩹
Sore
235–240
3
2
1
6
2
6
32
🌙
Moon
16
🍽️
Dish
26
🌮
Nacho
241–246
9
5
4
8
6
2
95
🔔
Bell
48
🏠
Roof
62
⛓️
Chain
247–252
6
2
9
6
3
1
62
⛓️
Chain
96
🏖️
Beach
31
🧤
Mitt
253–258
3
6
1
4
4
3
36
🔥
Match
14
🗼
Tower
43
🐏
Ram
259–264
8
1
4
9
7
5
81
👟
Foot
49
🪢
Rope
75
🖤
Coal
265–270
8
7
0
1
2
2
87
🌫️
Fog
01
🌱
Seed
22
⛪
Nun
271–276
0
3
4
0
8
0
03
🧵
Seam
40
🌹
Rose
80
😊
Face
277–282
5
8
8
7
9
5
58
🍃
Leaf
87
🌫️
Fog
95
🔔
Bell
283–288
4
4
5
4
7
4
44
🐊
Roar
54
🎣
Lure
74
🐦⬛
Crow
289–294
9
2
4
6
1
8
92
🦴
Bone
46
⛰️
Ridge
18
🕊️
Dove
295–300
5
6
9
5
3
6
56
🐛
Leech
95
🔔
Bell
36
🔥
Match
301–306
4
8
6
4
4
4
48
🏠
Roof
64
🌊
Shore
44
🐊
Roar
307–312
9
2
4
1
0
4
92
🦴
Bone
41
🛣️
Road
04
🩹
Sore
313–318
4
3
2
0
7
7
43
🐏
Ram
20
👃
Nose
77
🎂
Cake
319–324
1
3
4
4
9
4
13
⚰️
Tomb
44
🐊
Roar
94
🐻
Bear
325–330
7
0
4
9
5
6
70
🪿
Goose
49
🪢
Rope
56
🐛
Leech
331–336
5
8
4
6
7
8
58
🍃
Leaf
46
⛰️
Ridge
78
🕳️
Cave
337–342
8
5
0
9
8
7
85
📁
File
09
🍲
Soup
87
🌫️
Fog
343–348
4
3
3
9
4
4
43
🐏
Ram
39
🗺️
Map
44
🐊
Roar
349–354
2
2
1
2
5
4
22
⛪
Nun
12
🥫
Tin
54
🎣
Lure
355–360
4
8
7
7
0
6
48
🏠
Roof
77
🎂
Cake
06
🌿
Sage
361–366
6
4
7
8
0
9
64
🌊
Shore
78
🕳️
Cave
09
🍲
Soup
367–372
1
5
8
8
4
6
15
🛁
Towel
88
🎉
Viva
46
⛰️
Ridge
373–378
0
7
4
9
9
8
07
🧦
Sock
49
🪢
Rope
98
🥩
Beef
379–384
8
7
1
2
4
0
87
🌫️
Fog
12
🥫
Tin
40
🌹
Rose
385–390
0
7
6
5
2
1
07
🧦
Sock
65
🐚
Shell
21
🕸️
Net
391–396
7
0
5
7
5
1
70
🪿
Goose
57
🔐
Lock
51
🅿️
Lot
397–402
7
9
7
8
8
3
79
🚕
Cab
78
🕳️
Cave
83
🫧
Foam
403–408
4
1
6
6
2
5
41
🛣️
Road
66
⚖️
Judge
25
🔨
Nail
409–414
6
2
4
9
4
0
62
⛓️
Chain
49
🪢
Rope
40
🌹
Rose
415–420
7
5
8
9
0
6
75
🖤
Coal
89
🎶
Vibe
06
🌿
Sage
421–426
9
7
0
4
0
0
97
📚
Book
04
🩹
Sore
00
🍝
Sauce
427–432
0
2
8
1
2
1
02
☀️
Sun
81
👟
Foot
21
🕸️
Net
433–438
0
4
2
7
6
2
04
🩹
Sore
27
📿
Neck
62
⛓️
Chain
439–444
1
7
7
1
1
1
17
🦆
Duck
71
🐱
Cat
11
🐸
Toad
445–450
7
7
7
8
0
5
77
🎂
Cake
78
🕳️
Cave
05
⛵
Sail
451–456
3
1
5
3
1
7
31
🧤
Mitt
53
🍋
Lime
17
🦆
Duck
457–462
1
4
1
0
1
1
14
🗼
Tower
10