_("IIR filter design") , "iir.dem.sce"
_("Minimax FIR filter design") , "remezfilt.dem.sce"
_("Discrete IIR filter") , "iirfilt.dem.sce"
- _("Wiegner filter") , "wiener.dem.sce"
+ _("Wiener filter") , "wiener.dem.sce"
_("Bode plots") , "bode.dem.sce"
_("Window FIR filters") , "winfilt.dem.sce"
_("1-D convolution") , "conv.dem.sce"