Square Root Hint Shortcut Related Power Hint Shortcut Other Shortcut Square Hint Shortcut Inverse Hint Shortcut (single quote) Related cos = –1 tan = –1 Related log = ⇧ L 10 √ = ⇧ J n cosh = tanh = cosh = –1 tanh = –1 Factorial Hint Shortcut π ( 3.14159…) Hint Shortcut e ( 2.71828…) Hint Shortcut Logarithm Hint Shortcut Polar ( r∠θ ) Hint Shortcut Sine Hint Shortcut Cosine Hint Shortcut Tangent Hint Shortcut Arcsine etc. Hint Shortcut Related Hyperbolic Hint Shortcut Related Hyperbolic-inverse Hint Shortcut c ' t ' c h t h c h ' t h '