internal Mathstage(Mathset m, int startRowId, int endRowId)
{
firstRow = startRowId;
rowCount = (endRowId - startRowId);
formuler = m;
}
internal Mathstage(Mathset m)
{
formuler = m;
firstRow = 0;
rowCount = (m.rowCount - firstRow) - 1;
}
