STAGE 01 / SEVEN CARDS
Swap cards by dragging one card onto another. Click an operator between cards to cycle through +, −, ×, and ÷.
● READY
INPUT · USE EACH CARD ONCE—
OUTPUT · TARGET—
YOUR EXPRESSION …
Click an operator between cards to cycle in order: + → − → × → ÷. Operators can repeat. Drag cards to swap positions.