TRACEABLE 6023 ការណែនាំអំពីម៉ាស៊ីនគិតលេខថាមពលព្រះអាទិត្យ
TRACEABLE 6023 Solar Powered Calculator Specifications Power Source: Solar-powered with battery backup Key Functions: ON/C, M+, MRC Auto Power Off: Approximately 6 minutes of inactivity Turning the Calculator On and Clearing Contents To turn the calculator on, press the ON/C…