# Examples of Symbolic Questions with Calculator Notation

The following examples illustrate entry of some common expressions.

Expression |
Type this |
Click the preview button to display this |
---|---|---|

A simple expression with integers |
2x+52500 |
$2x+52500$ |

A polynomial with a fractional coefficient |
(1/2)x^2+4x+2 |
$\frac{1}{2}{x}^{2}+4x+2$ |

A simple inequality |
x>=-4 |
$x\ge -4$ |

A square root |
sqrt(x) |
$\sqrt{x}$ |

A cube root |
root3(x) |
$\sqrt[3]{x}$ |

An expression involving pi and Euler's number |
pi+exp(2) |
$\pi +\mathrm{exp}\left(2\right)$ |

The natural logarithm of an absolute value |
ln(abs(x)) |
$\mathrm{ln}\left(\left|x\right|\right)$ |

An inverse tangent in radians |
atan(x) |
$\mathrm{atan}\left(x\right)$ |