Option i limited to 0..100
Usage: add [options] [scripts]

Options:
  -h           print this message
  -i interval  specify compounding-interval (default=12)
  -o script    specify output-script name (default is the first
               input-script name)
  -p num       specify precision (default=2)

Description:
  Script-based adding machine that allows you to edit the operations
  and data.