@nasser
To have galculator config in /mnt/us/extensions/galculator/galculator.conf change galculator/usr/bin/run.sh to:
Code:
#!/bin/sh
GALCULATOR_CONFIG=/mnt/us/extensions/galculator/galculator.conf \
GTK_IM_MODULE=kindle \
GTK2_RC_FILES=/mnt/us/extensions/galculator/pixmaps/gtkrc \
/mnt/us/extensions/galculator/usr/bin/galculator