Eight-digit display, automatic rounding after the eighth digit.

True GRE order of operations, no premature evaluation.

Single pair of parentheses allowed, right parenthesis evaluates the enclosed expression.

Square root works on the current value only, negative roots or division by zero show “ERROR”.

One memory slot, M+ adds, MR recalls, MC clears, “M” indicator lights when memory is active.

CE clears the last entry, C resets the entire problem and memory.

Sign toggle (±) changes the sign of the current number only.

No keyboard input, mouse clicks only, identical to test environment.

Authentic button set and layout, including × symbol for multiplication.

Display always shows a leading zero for decimals less than one.

Repeating decimals truncate at eight digits with correct rounding.

Matches ETS timing, visuals, and logic so practice transfers directly to test day.