arrowtype/recursive v1.084

Add mathematical Greek

on GitHub

Adds Greek characters commonly used in mathematics: α β γ μ λ ν θ π δ φ – along with associated uppercase characters Α Β Γ Δ Λ Μ Ν Θ Π Φ – across all styles.

Also slightly refines the numeral 8 in Linear styles, making it a little more sturdy and formal.