Case file
Symbolab
Wikipedia's first sentence called it “answer engine developed by eqsquest ltd”. Today it says “answer engine that provides step-by-step solutions to mathematical problems in a range of subjects”.
Measured, not asserted. Every count, date and revision on this page was taken from Wikipedia's own history and checked against the live article. The words quoted are theirs.
Machine-checked against the full current article on 2026-08-03.
We saved snapshots of this article over twenty years; you are reading the 2025 one. Red dashes: removed from Wikipedia since.
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The opening as it read in 2025
Symbolab is an answer engine that provides step-by-step solutions to mathematical problems in a range of subjects. It was originally developed by Israeli start-up company EqsQuest Ltd., under whom it was released for public use in 2011. In 2020, the company was acquired by American educational technology website Course Hero .
This is Wikipedia's own text, saved in our repository. Their copy of it is revision 1256935982.
Today
Wikipedia's first sentence called it “answer engine developed by eqsquest ltd”. Today it says “answer engine that provides step-by-step solutions to mathematical problems in a range of subjects”. Read the current article and compare.
| 2020 | Oct '23 | 2025 |
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What Wikipedia says this is
Every article opens by defining its subject. This one was redefined since 2020, and today's defining sentence is their current revision.
Then
answer engine developed by eqsquest ltd
Now
answer engine that provides step-by-step solutions to mathematical problems in a range of subjects
Struck red text is no longer in the article; dotted amber text was rewritten. Every revision id links to Wikipedia's copy; the text shown is our own saved copy. Data: /data. Wikipedia text is CC BY-SA; quoted for the record; not affiliated with Wikipedia.