"I used a calculator-" Then you aren't a mathematician.
"I used spellcheck-" Then you aren't a writer.
"I used a GPS-" Then you aren't a navigator.
"I used a spreadsheet-" Then you aren't an accountant.
"I used a search engine-" Then you aren't a researcher.
"I used a CAD-" Then you aren't an architect.
"I used a telescope-" Then you aren't an astronomer.
"I used a microscope-" Then you aren't a biologist.
"I used a compiler-" Then you aren't a programmer.