User:Ebengeer/Comparison of online calculators

General-purpose calculators
These calculators are online substitutes for the standard calculator. They serve a general mathematical purpose.

Graphing calculators
Graphing calculators are used to visually depict the relationship between variables in either two or three dimensions.

Advanced scientific and engineering calculators
These calculators are specifically suited for calculations in a field of science or applied science. They fill a specific gap left by more general calculators, but are often not suitable for general use.

Practical calculators and collections
These calculators have both a narrow purpose and a practical application, such as an amortization calculator. Several websites have extensive collections of narrow use, but practical calculators such as this.