Evaluating Exponential Functions

Use Evaluate or Evaluate Numerically for numerical approximations. Note that the use of floating-point notation triggers a numeral evaluation. Change the Settings dialog box for the number of digits you want. In these examples, Digits Used in Display is set to 8.

Expression Evaluate Evaluate Numerically
e2 e2  7.3890561
e0.0025  1.0025031  1.0025031
54 625 625.0
2$\scriptstyle \sqrt{{5}}$  2$\scriptstyle \sqrt{{5}}$  4.7111131