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How to use the REDUCE function in Microsoft Excel

Macros are powerful, but they don't work on the web or mobile. I’ve switched to the native REDUCE function for my complex ...
Cars

When Should the Oxygen Sensor Be Replaced?

Oxygen sensors detect the amount of oxygen in the exhaust. Oxygen sensors usually don’t have a replacement schedule. A bad oxygen sensor can be diagnosed with a code reader or scan tool. A car’s ...