Syntax - ȷ - Exponential Number Literal
Characters: ȷ
The beginners' page has a more thorough explanation of Jelly syntax and tokenization.
Functionality
xȷy returns x × 10y. x defaults to 1 and y to 3 if missing.
Details
The binding order for number literals is ., -, ȷ, and finally ı, so the maximum number of components a number literal can have is -a.bȷ-c.dı-e.fȷ-g.h.