<ul><li>An article suggested using a↑b for ab and a↓b for loga(b) as a pedagogical approach drawn from Knuth’s up arrow and down arrow notation.</li><li>Advantages of this alternative notation include symmetry between exponents and logs, making the base of the logarithm more prominent, and a typographically linear representation.</li><li>The up and down arrow notation keeps expressions within a line, in contrast to conventional notation which extends above and below the line.</li><li>The article presents basic properties of logs and exponents using both conventional and up/down arrow notations.</li></ul>

Alternative exp and log notation

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