Title: Batteries drained without use.
Product review: A year ago I purchased a HP 35s Scientific Calculator. I changed the batteries set 3 times and every time were dead without any use to justified the batteries replacement. I Contacted HP and they may not honor the warranty because a contacted them 2 weeks after the purchase date receipt. Before I contact HP I spend 7-8 weeks to sorted out the problem, but I never imagine that the calculator will drain the batteries while it was powered off. I still waiting for HP answer, I hope they honor the warranty.
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