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Warning [2] Attempt to read property "messages_in_thread" on null - Line: 5 - File: inc/plugins/threaded_mode.php(305) : eval()'d code PHP 8.1.2-1ubuntu2.14 (Linux)
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/showthread.php 918 pluginSystem->run_hooks





HP 19B not working



#2

I have a HP 19B. I have replaced the batteries, but it does not seem to turn on. Is there a self test or any additional test I can perform? When pressing ON, the screen does not display anything. Is this calculator worth repair? Thx in advance.


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