An advanced calculator that can do: canonical math (+-* / ^ etc.) Exponents points (slope-intercept, point-slope, etc.) Advanced Quadratic Formula options Shape Formulas (circuit, squarely, kite, polygon, triangle, etc.) 3D Shape Formulas (Triangular Prism, Cone, etc.) Metric / Imperial Conversions percentages (decimal to fraction, etc.) 5 slots of memory with shortcut keys.