MIDI note number to frequency

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Problem

Convert MIDI note numbers to musical note frequencies.

Note: Frequency is related to note number by F = 6.875 * 2 ^ (n / 12)

--smkt

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Sample input:_

33
34
35
36
37
38
39
40
41
42
43
44
55
52
49
47
60
54
56
50
51
59
61
45
53
57
62
48
46
58
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117

Sample output:

55.00
58.27
61.74
65.41
69.30
73.42
77.78
82.41
87.31
92.50
98.00
103.83
196.00
164.81
138.59
123.47
261.63
185.00
207.65
146.83
155.56
246.94
277.18
110.00
174.61
220.00
293.66
130.81
116.54
233.08
311.13
329.63
349.23
369.99
392.00
415.30
440.00
466.16
493.88
523.25
554.37
587.33
622.25
659.26
698.46
739.99
783.99
830.61
880.00
932.33
987.77
1046.50
1108.73
1174.66
1244.51
1318.51
1396.91
1479.98
1567.98
1661.22
1760.00
1864.66
1975.53
2093.00
2217.46
2349.32
2489.02
2637.02
2793.83
2959.96
3135.96
3322.44
3520.00
3729.31
3951.07
4186.01
4434.92
4698.64
4978.03
5274.04
5587.65
5919.91
6271.93
6644.88
7040.00

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