What is another word for slide rules?
Pronunciation: [slˈa͡ɪd ɹˈuːlz] (IPA) 
Slide rules are a tool used for computation or calculation, especially in the field of engineering. There are several synonyms for slide rules, such as logarithmic tables, nomograms, and calculating machines. Logarithmic tables are printed sets of tables that list the logarithms of various numbers used in calculation. Nomograms are graphical calculating devices that use parallel coordinate scales to perform multiplication, division, and other mathematical functions. Calculating machines are machines designed specifically for mathematical computation. Modern-day slide rule equivalents include calculators and computer software programs used to perform complex calculations. Whatever term is used, these tools have played a crucial role in the development of scientific and engineering disciplines.
