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# Completing the Square Calculator

 Equation: Variable: a A b B c C d D e E f F g G h H i I j J k K l L m M n N o O p P q Q r R s S t T u U v V w W x X y Y z Z AUTO
Hint: Selecting "AUTO" in the variable box will make the calculator automatically solve for the first variable it sees.

### Quick-Start Guide

When you enter an equation into the calculator, the calculator will begin by expanding (simplifying) the problem. Next, it will attempt to solve the equation by using one or more of the following: addition, subtraction, division, factoring, and completing the square. Use the following rules to enter equations into the calculator.

#### Variables

Any lowercase letter may be used as a variable.

#### Exponents

Exponents are supported on variables using the ^ (caret) symbol. For example, to express x2, enter x^2. Note: exponents must be positive integers, no negatives, decimals, or variables. Exponents may not currently be placed on numbers, brackets, or parentheses.

#### Parentheses and Brackets

Parentheses ( ) and brackets [ ] may be used to group terms as in a standard equation or expression.