Retrieving "Rate/ $(mathematical/ Expression)$" from the archives

Consulting the archives... Dusting off the volumes... Cross-referencing the indices... Deciphering the manuscripts... Examining the folios... Perusing the card catalog... Searching the stacks... Investigating the compendium... Reviewing the scrolls... Sifting through the records...

Retrieving "Rate/ $(*mathematical/ Expression*)$" from the archives

Retrieving "Rate/ $(mathematical/ Expression)$" from the archives