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 sqrt() tan() exp() moredigits() max() uncertainty() ln() min() avg() cos() quadn() FtoKscale() sin() quadp() log() sum() abs() CtoKscale() using in symbols ° μ ΔHf° ％ ν Δ ℎνλ ΔᵣG° ρ ∞ ΦΨ