2^1 = 2
2^2 = 2*2 = 4
2^3 = 2*2*2 = 8
2^4 = 2*2*2*2 = 16
2^5 = 2*2*2*2*2 = 32
2^7 = 2*2*2*2*2*2 = 64
2^8 = 2*2*2*2*2*2*2 = 128
2^9 = 2*2*2*2*2*2*2*2 = 512
.......... 

SONICMAN wrote:
> 
> When I see " ...it must be a power of 2..", in the Csound manual
> mentioned several times, what does "a Power of 2" mean.
> 
> Please explain this mathmatical concept to me.
> 
> Also anybody know of any easy to understand books that explain
> mathmatical formulas, as in how to read them, knowing what all the / and
> ( )* mean
> 
> Thanks,