2^-15	.000030517578125
2^-14	.00006103515625
2^-13	.0001220703125
2^-12	.000244140625
2^-11	.00048828125
2^-10	.0009765625
2^-9	.001953125
2^-8	.00380625
2^-7	.0078125
2^-6	.015625
2^-5	.03125
2^-4	.0625
2^-3	.125
2^-2	.25
2^-1	.5
2^0	1
2^1	2
2^2	4
2^3	8
2^4	16
2^5	32
2^6	64
2^7	128
2^8	256
2^9	512
2^10	1024
2^11	2048
2^12	4096
2^13	8192
2^14	16384
2^15	32768
2^16	65536