Examples of Symbolic Questions with Calculator Notation
The following examples illustrate entry of some common expressions.
Expression 
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A simple expression with integers 

$2x+52500$ 
A polynomial with a fractional coefficient 

$\frac{1}{2}{x}^{2}+4x+2$ 
A simple inequality 

$x\ge 4$ 
A square root 

$\sqrt{x}$ 
A cube root 

$\sqrt[3]{x}$ 
An expression involving pi and Euler's number 

$\pi +\mathrm{exp}\left(2\right)$ 
The natural logarithm of an absolute value 

$\mathrm{ln}\left(\leftx\right\right)$ 
An inverse tangent in radians 

$\mathrm{atan}\left(x\right)$ 