In the Calculator program on line 90, you can read :
ASSIGN @Calc TO WIDGET “PANEL”;SET (“TITLE”:” Example: Calculator”,”X”:20,”Y”:20,”WIDTH”:300,”HEIGHT”:400)
This program is extract from the BPlus examples directory, so you need to load the BASIC PLUS bin files before to use it.
To do this at the start of program add this line : LOAD BIN “BPLUS”
And re-test …
You could find some other details about BASIC PLUS use and synthax in the HTBasic help file
Normally the best method is to add the line directly in the Autost program
In this case you will always had available the BPLUS commands
But with your demo HTbasic version I think you couldn’t store any modifications in the autost !