The screen features a four-level grayscale dot-matrix display (192 x 63 pixels). This makes mathematical expressions like fractions, logs, and roots look exactly as they do in your textbook, which significantly helps with comprehension.
You can input any equation (e.g., 2X + 5 = 3X - 2 ) and the calculator will find the real root using Newton’s method. It is not symbolic (it won't give you X=7 in algebraic steps), but it gives you the numeric answer instantly.