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