The calculator Witt uses in teaching, Pipe Trades Pro by Calculated Industries, www.pipetradespro.com, has more than 20 dedicated keys and functions, many identified by words like offset, travel, ...
The Pipe Trades Pro™ handheld calculator has been specifically designed for the pipefitting trade, for pipefitters, sprinkler fitters, steamfitters, welders, and plumbers who install pipe. It is ...
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