Slide rule reading

• Math class calculation
• What 100 is to 2, in the base 10
• 10,000, for 4, in base 10, e.g.
• Number corresponding to an exponent
• Math figure
• Math function
• Pre-calc calculation
• Math table entry
• The number of which a given number is the logarithm

Wiktionary Word definitions in Wiktionary
n. An antilogarithm.