operator - any symbol that indicates an operation to be performed such as addition, subtraction, multiplication, division
Algebraic ExpressionsFree Algebraic Expressions Calculator - This calculator builds algebraic expressions based on word representations of numbers using the four operators and the words that represent them(increased,product,decreased,divided,times)
Also known as Mathematical phrases
Input TableFree Input Table Calculator - Given an input table with input and output values, this will determine the operator and rule used to populate the missing values.
ProportionFree Proportion Calculator - 1) Calculates the missing link of 2 equivalent proportions or ratios.
2) Also determines if two numerical proportions that you entered such as 1/10=6/12 are equivalent or not equivalent.
Note: You can use all allowable operators such as =,<,≤,>,≥