Examples of Math Notation with calcPad
The following examples illustrate entry of some common expressions.
Expression 
Do this 
To display this 

A simple expression with integers 
Type 2x+52500 
$2x+52500$ 
A polynomial with a fractional coefficient 

$\frac{1}{2}{x}^{2}+4x+2$ 
A simple inequality 
Type x>=4 
$x\ge 4$ 
A square root 
Type sqrt(x 
$\sqrt{x}$ 
A cube root 

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

$\pi +{\mathit{e}}^{2}$ 
The natural logarithm of an absolute value 
Type either of the following: ln(x) ln(abs(x)) 
$\mathrm{ln}\left(\leftx\right\right)$ 
A complex number 

$2+3\mathit{i}$ 
A vector in vector bracket form 

$\u27e812,15,22\u27e9$ 
A vector in ijk form 

$5\mathbf{i}+24\mathbf{j}+4\mathbf{k}$ 