Ergonomic design & large buttons The 12-digit calculator has an LCD display that is inclined at a fixed 30 angle, which is exactly in your field of vision and is clearer than the straight display. Large and separate buttons make each press more accurate. Financial calculator Silver metal panel with orange, blue and gray color buttons, lively color matching. With this desktop calculator you are well equipped for everyday life and in the office. ABS engineering plastic The calculator is made of high-strength ABS engineering plastic. Light but durable. Office computer can withstand multiple knocks, even if it falls off the table. Dual power source The computer is solar powered and also has an AA battery, so that operation is guaranteed even in poor lighting conditions. Automatic shutdown in 8 minutes if no further operation is carried out. Use The desk calculator is suitable for all occasions. Ideal for high school students, family finance, accounting and finance, administrator statisticians. As a gift for children, parents or friends is also a good choice. Product description Features: Size: 185x156x41 mm Weight: 330g Office computer Large LCD display 4 anti-slip mat Decimal places Function: [M +] adds the number shown on the display and the number stored in the memory. Example: 3 * 8 + 2 * 6. Entering these numbers directly into the calculator will result in the wrong answer: 156. If you press [3 * 8], [M +], [2 * 6], [M +] and then press [MRC] once, you will get the correct answer: 36. [M-] subtracts the number shown on the display from the stored number. [MRC] Combination of [MR] and [MC]. [MR] gets the current memory register value. [MC] Clears the memory (set to zero). If you press the button once, the [MR] button has been activated; if you press the button twice, the [MC] has been activated. [GT] Whenever the [=] key has been pressed, the result is stored in the total memory. Example: If you want to calculate [2 * 3 + 3 * 5 + 6 * 8], press [2 * 3 =], then [3 * 5 =], then [6 * 8 =]. Then press [GT], you will get the correct answer 69. [MU] stands for mark-up, which is used to calculate gross profit. Example: enter [100] and press the [] key, then [15], then [MU], it will display 117.65 (15% of this total equals 17.65) [Constant Calculations] to calculate [5 * 5 * 5 * 5 + 2 + 2 = 629], press [5 * === + 2 ==]. See 629. Press [AC] after each calculation to clear all values. Scope of delivery 1 x calculator (1x AA battery included) 1 x instruction manual