Corrected rounding a error when calculating the ratio by which the frequency range is compressed to sheet rows.
Corrected rounding a error when calculating the ratio by which the frequency range is compressed to sheet rows.

ioam/topographica,Tasignotas/topographica_mirror,Tasignotas/topographica_mirror,Tasignotas/topographica_mirror,Tasignotas/topographica_mirror,mjabri/topographica,ioam/topographica,ioam/topographica,mjabri/topographica,Tasignotas/topographica_mirror,mjabri/topographica,mjabri/topographica,mjabri/topographica,ioam/topographica,ioam/topographica