跳转到主内容

Manufactured in 1985, this electronic calculator has a 10-digit display and closely resembles the TI-5140 that has a 12-digit display.

Why doesn't my = key work?

I can add and subtract all day, but my equal key = does nothing except easily press down and pop back up. The machine worked last week, so I'm stymied.

回答此问题 我也有这个问题

这是一个好问题吗?

得分 0
添加一条评论

1个答案

check if there is a short, to do that, use a voltameter, if it works, check if the key is seated properly.

这个答案有帮助吗?

得分 0
添加一条评论

添加你的答案

Not Albert Einstein 将永远感激不已
浏览统计数据:

过去 24 小时: 0

过去 7 天: 0

过去 30 天: 0

总计 166