**About**

**What is Calculator?**

RobotSoft Calculator is an advanced calculator yet very easy to use. It can evaluate expressions and solve equations. And it can do nonlinear optimization work easily.

**Key features**

Directly enter an expression to evaluate

Evaluate multiple expressions at the same time

Solve complex nonlinear equations

Find the minimum value of a function

Display the result in multiple formats

**Evaluate Expressions**

Select the page "

**Evaluate Expression**", then enter the expression which you want to evaluate, and then click the button "

**Calculate**".

You can enter multiple expressions at the same time.

**Solve Equations**

Select the page "

**Solve Equations**", then enter the equations which you want to solve, and then click the button "

**Solve**".

The Solve Equations feature supports Greater Equal and Less Equal command.

**Find Minimum**

Select the page "

**Find Minimum**", then enter the function which you want to optimize, and then click the button "

**Find**".