Casio solar desktop calculator in orange color is suitable for tax calculation with tax and currency exchange function. Desktop calculator is powered with both battery and solar hence works even in dim light. Orange. No of digits: 8-digit display. Dimensions: 9/32"(H) x 2 3/4"(W) x 4 5/8"(D). Big display. Functions: Independent memory, percent, profit margin, square root key, change sign (+/-), constants for +, -, x, /. Power source: Solar plus with battery backup. Auto power off. 3-digit comma markers. Weight: 6 oz. Casio solar desktop calculator in orange color is perfect for home or office use and includes a wide 8 digit display.