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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
Prime Numbers
Concepts
…
Irrational Numbers
∄
Transcendental Numbers
ℂ
Complex Numbers
∞
Infinity
Fₙ
Fibonacci Numbers
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
Major System
Major System
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Study Tau Sequences
Memory lives in your fingers, not your brain. Use them.
1–6
6
2
8
3
1
8
62
⛓️
Chain
83
🫧
Foam
18
🕊️
Dove
7–12
5
3
0
7
1
7
53
🍋
Lime
07
🧦
Sock
17
🦆
Duck
13–18
9
5
8
6
4
7
95
🔔
Bell
86
🐟
Fish
47
🪨
Rock
19–24
6
9
2
5
2
8
69
🚢
Ship
25
🔨
Nail
28
⚓
Navy
25–30
6
7
6
6
5
5
67
⚡
Shock
66
⚖️
Judge
55
💐
Lily
31–36
9
0
0
5
7
6
90
🚌
Bus
05
⛵
Sail
76
📣
Coach
37–42
8
3
9
4
3
3
83
🫧
Foam
94
🐻
Bear
33
🧟
Mummy
43–48
8
7
9
8
7
5
87
🌫️
Fog
98
🥩
Beef
75
🖤
Coal
49–54
0
2
1
1
6
4
02
☀️
Sun
11
🐸
Toad
64
🌊
Shore
55–60
1
9
4
9
8
8
19
🛀
Tub
49
🪢
Rope
88
🎉
Viva
61–66
9
1
8
4
6
1
91
🦇
Bat
84
🧥
Fur
61
🐆
Cheetah
67–72
5
6
3
2
8
1
56
🐛
Leech
32
🌙
Moon
81
👟
Foot
73–78
2
5
7
2
4
1
25
🔨
Nail
72
🪙
Coin
41
🛣️
Road
79–84
7
9
9
7
2
5
79
🚕
Cab
97
📚
Book
25
🔨
Nail
85–90
6
0
6
9
6
5
60
🏃
Chase
69
🚢
Ship
65
🐚
Shell
91–96
0
6
8
4
2
3
06
🌿
Sage
84
🧥
Fur
23
🧙
Gnome
97–102
4
1
3
5
9
6
41
🛣️
Road
35
🦔
Mole
96
🏖️
Beach
103–108
4
2
9
6
1
7
42
🌧️
Rain
96
🏖️
Beach
17
🦆
Duck
109–114
3
0
2
6
5
6
30
🐭
Mouse
26
🌮
Nacho
56
🐛
Leech
115–120
4
6
1
3
2
9
46
⛰️
Ridge
13
⚰️
Tomb
29
💤
Nap
121–126
4
1
8
7
6
8
41
🛣️
Road
87
🌫️
Fog
68
🪒
Shave
127–132
9
2
1
9
1
0
92
🦴
Bone
19
🛀
Tub
10
🦶
Toes
133–138
1
1
6
4
4
6
11
🐸
Toad
64
🌊
Shore
46
⛰️
Ridge
139–144
3
4
5
0
7
1
34
🐴
Mare
50
🤠
Lasso
71
🐱
Cat
145–150
8
8
1
6
2
5
88
🎉
Viva
16
🍽️
Dish
25
🔨
Nail
151–156
6
9
6
2
2
3
69
🚢
Ship
62
⛓️
Chain
23
🧙
Gnome
157–162
4
9
0
0
5
6
49
🪢
Rope
00
🍝
Sauce
56
🐛
Leech
163–168
8
2
0
5
4
0
82
🌀
Fan
05
⛵
Sail
40
🌹
Rose
169–174
3
8
7
7
0
4
38
🎩
Mafia
77
🎂
Cake
04
🩹
Sore
175–180
2
2
1
1
1
1
22
⛪
Nun
11
🐸
Toad
11
🐸
Toad
181–186
9
2
8
9
2
4
92
🦴
Bone
89
🎶
Vibe
24
👩⚕️
Nurse
187–192
5
8
9
7
9
0
58
🍃
Leaf
97
📚
Book
90
🚌
Bus
193–198
9
8
6
0
7
6
98
🥩
Beef
60
🏃
Chase
76
📣
Coach
199–204
3
9
2
8
8
5
39
🗺️
Map
28
⚓
Navy
85
📁
File
205–210
7
6
2
1
9
5
76
📣
Coach
21
🕸️
Net
95
🔔
Bell
211–216
1
3
3
1
8
6
13
⚰️
Tomb
31
🧤
Mitt
86
🐟
Fish
217–222
6
8
9
2
2
5
68
🪒
Shave
92
🦴
Bone
25
🔨
Nail
223–228
6
9
5
1
2
9
69
🚢
Ship
51
🅿️
Lot
29
💤
Nap
229–234
6
4
6
7
5
7
64
🌊
Shore
67
⚡
Shock
57
🔐
Lock
235–240
3
5
6
6
3
3
35
🦔
Mole
66
⚖️
Judge
33
🧟
Mummy
241–246
0
5
4
2
4
0
05
⛵
Sail
42
🌧️
Rain
40
🌹
Rose
247–252
3
8
1
8
2
9
38
🎩
Mafia
18
🕊️
Dove
29
💤
Nap
253–258
1
2
9
7
1
3
12
🥫
Tin
97
📚
Book
13
⚰️
Tomb
259–264
3
8
4
6
9
2
38
🎩
Mafia
46
⛰️
Ridge
92
🦴
Bone
265–270
0
6
9
7
2
2
06
🌿
Sage
97
📚
Book
22
⛪
Nun
271–276
0
9
0
8
6
5
09
🍲
Soup
08
🔒
Safe
65
🐚
Shell
277–282
3
2
9
6
4
2
32
🌙
Moon
96
🏖️
Beach
42
🌧️
Rain
283–288
6
7
8
7
2
1
67
⚡
Shock
87
🌫️
Fog
21
🕸️
Net
289–294
4
5
2
0
4
9
45
🚂
Rail
20
👃
Nose
49
🪢
Rope
295–300
8
2
8
2
5
4
82
🌀
Fan
82
🌀
Fan
54
🎣
Lure
301–306
7
4
4
9
1
7
74
🐦⬛
Crow
49
🪢
Rope
17
🦆
Duck
307–312
4
0
1
3
2
1
40
🌹
Rose
13
⚰️
Tomb
21
🕸️
Net
313–318
2
6
3
1
1
7
26
🌮
Nacho
31
🧤
Mitt
17
🦆
Duck
319–324
6
3
4
9
7
6
63
🐒
Chimp
49
🪢
Rope
76
📣
Coach
325–330
3
0
4
1
8
4
30
🐭
Mouse
41
🛣️
Road
84
🧥
Fur
331–336
1
9
2
5
6
5
19
🛀
Tub
25
🔨
Nail
65
🐚
Shell
337–342
8
5
0
8
1
8
85
📁
File
08
🔒
Safe
18
🕊️
Dove
343–348
3
4
3
0
7
2
34
🐴
Mare
30
🐭
Mouse
72
🪙
Coin
349–354
8
7
3
5
7
8
87
🌫️
Fog
35
🦔
Mole
78
🕳️
Cave
355–360
5
1
8
0
7
2
51
🅿️
Lot
80
😊
Face
72
🪙
Coin
361–366
0
0
2
2
6
6
00
🍝
Sauce
22
⛪
Nun
66
⚖️
Judge
367–372
1
0
6
1
0
9
10
🦶
Toes
61
🐆
Cheetah
09
🍲
Soup
373–378
7
6
4
0
9
3
76
📣
Coach
40
🌹
Rose
93
💣
Bomb
379–384
3
0
4
2
7
6
30
🐭
Mouse
42
🌧️
Rain
76
📣
Coach
385–390
8
2
9
3
9
0
82
🌀
Fan
93
💣
Bomb
90
🚌
Bus
391–396
3
8
8
3
0
2
38
🎩
Mafia
83
🫧
Foam
02
☀️
Sun
397–402
3
2
1
8
8
6
32
🌙
Moon
18
🕊️
Dove
86
🐟
Fish
403–408
6
1
1
4
5
4
61
🐆
Cheetah
14
🗼
Tower
54
🎣
Lure
409–414
0
7
3
1
5
1
07
🧦
Sock
31
🧤
Mitt
51
🅿️
Lot
415–420
9
1
8
3
9
0
91
🦇
Bat
83
🫧
Foam
90
🚌
Bus
421–426
6
1
8
4
3
7
61
🐆
Cheetah
84
🧥
Fur
37
☕
Mug
427–432
2
2
3
4
7
6
22
⛪
Nun
34
🐴
Mare
76
📣
Coach
433–438
3
8
6
5
2
2
38
🎩
Mafia
65
🐚
Shell
22
⛪
Nun
439–444
3
5
8
6
2
1
35
🦔
Mole
86
🐟
Fish
21
🕸️
Net
445–450
0
2
3
7
0
9
02
☀️
Sun
37
☕
Mug
09
🍲
Soup
451–456
6
1
4
8
9
2
61
🐆
Cheetah
48
🏠
Roof
92
🦴
Bone
457–462
4
7
5
9
9
2
47
🪨
Rock
59
💋
Lip
92
🦴
Bone
463–468
5
4
9
9
1
3
54
🎣
Lure
99
🪠
Pipe
13
⚰️
Tomb
469–474
4
7
0
3
7
7
47
🪨
Rock
03
🧵
Seam
77
🎂
Cake
475–480
1
5
0
5
4
4
15
🛁
Towel
05
⛵
Sail
44
🐊
Roar
481–486
9
7
8
2
4
5
97
📚
Book
82
🌀
Fan
45
🚂
Rail
487–492
5
8
7
6
3
6
58
🍃
Leaf
76
📣
Coach
36
🔥
Match
493–498
6
0
2
3
8
9
60
🏃
Chase
23
🧙
Gnome
89
🎶
Vibe
499–504
8
2
5
9
6
6
82
🌀
Fan
59
💋
Lip
66
⚖️
Judge
505–510
7
3
4
6
7
2
73
🪮
Comb
46
⛰️
Ridge
72
🪙
Coin
511–516
4
8
8
1
3
1
48
🏠
Roof
81
👟
Foot
31
🧤
Mitt
517–522
3
2
8
6
1
7
32
🌙
Moon
86
🐟
Fish
17
🦆
Duck
523–528
2
0
4
2
7
8
20
👃
Nose
42
🌧️
Rain
78
🕳️
Cave
529–534
9
8
9
2
7
9
98
🥩
Beef
92
🦴
Bone
79
🚕
Cab
535–540
0
4
4
9
4
7
04
🩹
Sore
49
🪢
Rope
47
🪨
Rock
541–546
4
3
8
1
4
0
43
🐏
Ram
81
👟
Foot
40
🌹
Rose
547–552
4
3
5
9
7
2
43
🐏
Ram
59
💋
Lip
72
🪙
Coin
553–558
1
8
8
7
4
0
18
🕊️
Dove
87
🌫️
Fog
40
🌹
Rose
559–564
5
5
4
1
0
7
55
💐
Lily
41
🛣️
Road
07
🧦
Sock
565–570
8
4
3
4
3
5
84
🧥
Fur
34
🐴
Mare
35
🦔
Mole
571–576
2
5
8
6
3
5
25
🔨
Nail
86
🐟
Fish
35
🦔
Mole
577–582
3
5
0
4
7
6
35
🦔
Mole
04
🩹
Sore
76
📣
Coach
583–588
9
3
4
9
6
3
93
💣
Bomb
49
🪢
Rope
63
🐒
Chimp
589–594
6
9
3
5
3
3
69
🚢
Ship
35
🦔
Mole
33
🧟
Mummy
595–600
8
8
1
0
2
6
88
🎉
Viva
10
🦶
Toes
26
🌮
Nacho
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