How to adjust the calculator to music keys:

To adjust the calculator to music keys in daily life, you must first adjust the volume keys to ensure that the calculator sound is turned on. Press Press the "Time/Date" key twice. When the screen displays: "Year, Month, Day Mode", the setting is complete. Then press, -, x, ÷ and the number keys to play music.

Notes:

1. Different calculators have different performance setting methods. Please refer to the manual for details.

2. This method is only applicable to calculators with electric piano function, otherwise it cannot be set as music keys.

Principle: Playing music on a calculator actually means installing a single-chip microcomputer inside the calculator, which is equivalent to placing a CPU processor with average performance. Through the buzzer, the input of pwn is programmed to emit different frequencies. In terms of sound, different keys finally form different sounds to form music.

In addition to being able to adjust the calculator to music keys, you can also set it as an alarm clock. Here is an introduction to how to set the calculator as an alarm clock:

1. If you want to set the calculator to an alarm clock, To set it as an alarm clock, first press "Alarm" at the bottom of the screen to turn on the alarm clock mode.

2. After entering this mode, if there is "", you can press the percent key to adjust the 12- or 24-hour format; then press the MC key or MRC key to start setting the time.

3. After setting the time, press the MC key or MRC key again to complete the setting.

4. Finally, press the alarm switch again, and the calculator will ring for one minute at the set time.