Tom Lehrer: Author Lyric Sheets
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Public-domain lyrics

The Slide Rule Song

Tom Lehrer

A mock lesson in exam-room originality turns a slide rule into the punch line.

Tom Lehrer: Author Lyric Sheets Text 14 Undated text
Public domainCampusExamsSatireWryMischievous
Complete public-domain lyrics

This short Physical Revue song satirizes cheating and the narrator's misplaced ingenuity. It is a historical comic text, not advice for an examination. All three four-line blocks and the three-line chorus are retained. The source credits both words and music to Lehrer; only the words are displayed here.

Verse 1

Don't bring the answers in on bits of paper,

And don't be crude and write them on your cuff.

The proctors would catch on to such a caper,

And you can bet they'd get you soon enough.

Verse 2

Don't write them on your thumbnail, that's the worst place.

Don't write them in the lining of your hat.

You really shouldn't be here in the first place,

If you can't be more original than that.

Verse 3

Against such things they have a justified rule,

They expel you without benefit of doubt,

But if you hide the answers in your slide rule,

It's 8 to 5 that no one will find out.

Chorus

Yes,

If you hide the answers in your slide rule,

It's 8 to 5 that no one will find out.

Credits

Written by Tom Lehrer

Words by Tom Lehrer, released into the public domain by the author. This is the author-published text edition, not a transcription of a particular performance.

Source & text edition

Author-published lyric sheet · original English words

Tom Lehrer's November 26, 2022 declaration relinquishes copyright in lyrics he wrote. It does not grant rights to third-party music, photographs or album artwork. This edition uses only his words.

Read the author’s lyric sheet (PDF)

View copyright evidence · Author’s public-domain declaration

Retrieved 2026-09-08. Line spacing and section labels are adapted for reading. The displayed text follows the linked edition. Editorial notes and abstract artwork are by 52lyrics.
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