Rules

Guess the NERDLE in 6 tries. After each try, the color of the tiles will change to show how close your guess is to the solution.

If the tile becomes GREEN, your number or operation is located at correct place. If the tile becomes RED, your number or opeartion exists within the expression, but at different place.

• Each try is a calculation (math expression).
• You can use 0 1 2 3 4 5 6 7 8 9 + - * / or =.
• It must contain one “=”.
• It must only have a number to the right of the “=”, not another calculation.
• Standard order of operations applies, so calculate * and / before + and - eg. 3+2*5=13 not 25!

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On This Day

Vaseline In 1878, the name Vaseline was registered as a trademark for the petroleum jelly developed by an English-born chemist Robert Augustus Chesebrough. He began, in 1859, with an interest in the petroleum oil boom, and travelled to Titusville, Pa., where oil strikes began, to enter that business. Once there, his chemist's curiosity was caught by a pasty residue that stuck to driller's rods and clogged their pumps. Workers had found it was practical to use on burns and cuts to promote healing. Cheseborough returned to Brooklyn and spent years experimenting to extract and purify the useful ingredient he called "petroleum jelly." Manufacturing from 1870, he received a patent on the product on 4 Jun 1872 (No. 127,568).

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