units $ A atm C Cd cm Da eV g h Hz J K L M m min mmHg mol N Pa parsec s torr V W °aC °ΔC Å Ω ％ functions quadp() cos() abs() quadn() FtoKscale() tan() ln() exp() sin() moredigits() min() log() CtoKscale() sum() uncertainty() avg() max() sqrt() using in symbols °aC μ ％ ν Δ ℎνλ ΔᵣG°′ ρ ∞ ΦΨ