Casio Check & Correct MJ-12Sb Desktop Calculator 12-Digit Display with 150 Steps Check & Correct: View large, clear numbers with a 12-digit display, and enjoy automatic error correction with up to 150 steps. Active Constant Indication (K): The calculator shows the active constant on-screen (K), making it easier to perform repetitive calculations. For example, set a constant for multiplication by pressing [2] [X] and [K]. Then, enter a number like 10 and keep pressing [=] to see results like 20, 40, 80, and so on. Square Root & Percentage Keys: Quickly calculate square roots and percentages with dedicated keys for ease of use. Indian Comma Marker: The Indian comma marker helps you easily read large numbers, like those in Lakh and Crore, improving clarity. Backspace Key: Correct mistakes quickly by using the backspace key for easy editing. Operation Symbols on Display: See real-time status of operations ( , -, x, ÷) on the display to avoid confusion. Extra Large Display: The extra-large screen makes viewing calculations simple, even for longer entries. Key Rollover: With key rollover, all key operations are stored
