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Screensize: 640 x 480 800 x 600 1024 x 768 1280 x 1024 UserName: Password: Format Mode: Basic  Help  Prompt  Format: Font Andale Mono Arial Arial Black Book Antiqua Century Gothic Comic Sans MS Courier New Georgia Impact Lucida Console Script MT Bold Stencil Tahoma Times New Roman Trebuchet MS Verdana   Size 1 2 3 4 5 6   Color Black Red Yellow Pink Green Orange Purple Blue Beige Brown Teal Navy Maroon LimeGreen Message: * HTML is OFF * Forum Code is ON Smilies [quote][i]Originally posted by hammerhands[/i] [br]Each semitone from 440 can be found =440 * 2 ^ (1 / 12) the "1" inside the bracket is the number of half steps from A. Frequency to Cents conversion =LOG(444 / 440, 2) * 1200 415 G#/Ab -1.270624748 423.5 G#/Ab +33.83013497 436 A -15.8104665 444 A +15.66738339 452 A +46.58309867 454 Bb -45.77347148 Build an interesting Frequency to Cents Table H2 440 G2 =H2*2^(-1/12) (copy this to F2 through A2) I2 =H2*2^(1/12) (copy this to J2 through N2) A3 302 A4 =A3+1 (copy this to A5 through A342) (you could do this in half or quarter hz intervals) B3 =IF(ABS(LOG($A3/B$2,2)*1200)<=50,LOG($A3/B$2,2)*1200,"") (copy this to B3 through N342) The column headers are: hz, Eb, E, F, F#, G, G#/Ab, A, Bb, B, C, C#, D, Eb [/quote]   Check here to include your profile signature.