Among the many quality inspection requirements are an environmental test to make sure the calculator can endure high temperatures and humidity, tests for resistance to shock and static electricity, and a final test of the strength and durability of the switch and keyboard.
第一種是環境試驗，包括高溫、低溫和濕度。高溫高達攝氏一百度，低溫低達攝氏零下五十度，濕度飽和到百分之百。第二種是搬動試驗，包括：震動和落下兩種。落下是把電算機以正、斜各種角度丟下。