This question asks for a number or a calculation.

You can enter whole numbers, negative numbers, or decimal numbers. If you enter a decimal value, be sure to give at least 3 decimal places.

Alternatively, you can enter mathematical expressions. Some examples:
EnterTo get
sqrt(4)4\displaystyle \sqrt{{{4}}} = 2
2/(5-3)25−3\displaystyle \frac{{2}}{{{5}-{3}}} = 1
3^232\displaystyle {3}^{{2}} = 9


Try it here. Use the Preview button to see how the computer is interpreting what you typed.

Enter 52\displaystyle \frac{\sqrt{{{5}}}}{{2}}:  

Enter 73\displaystyle \frac{{7}}{{3}}:  

Enter 6232\displaystyle \frac{{6}^{{2}}}{{3}^{{2}}}:  

Enter 123−3\displaystyle \frac{{1}}{{{2}^{{3}}-{3}}}:  

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