Play Calculator

Play Calculator, play calc, the calculator can play game, and uses different colors to distinguish the difficulty level of the game, ranging from simple to difficult followed by orange, yellow, green, dark green, cyan, blue, purple, black, aubergine, pink, red.玩計算器，玩計算，可以玩游戲的計算器，用不同顏色來區(qū)分游戲難度等級，從簡單到困難依次為橙、黃、綠、深綠、青、藍(lán)、紫、黑、紫紅、粉紅、紅。