expert a person with special knowledge or ability who performs skillfully
adder small terrestrial viper common in northern Eurasia
number cruncher a computer capable of performing a large number of mathematical operations per second
actuary,
statistician someone versed in the collection and interpretation of numerical data (especially someone who uses statistics to calculate insurance premiums)
calculator -
a small machine that is used for mathematical calculations
A calculator is a small (often pocket-sized), usually inexpensive electronic device used to perform the basic operations of arithmetic. Modern calculators are more portable than most computers, though most PDAs are comparable in size to handheld calculators. The calculator has its history in mechanical devices such as the abacus and slide rule.
OmegaWiki Dictionary
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calculator An electronic device that performs mathematical calculations.
