Enter a formula below, hit `Enter`, and Herbie will try to improve it.

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Please enter formulas asFPCoreexpressions, including the top-level `FPCore`

form, using only the following supported functions:

`+`

,`-`

,`*`

,`/`

,`abs`

- The usual arithmetic functions
`sqrt`

,`sqr`

- Squares and square roots
`exp`

,`log`

- Natural exponent and natural log
`expt`

- Raising a value to a power (also called
`pow`

) `sin`

,`cos`

,`tan`

,`cot`

- The trigonometric functions
`asin`

,`acos`

,`atan`

- The inverse trigonometric functions
`sinh`

,`cosh`

,`tanh`

- The hyperbolic trigonometric functions

You can also use the constants `PI`

and `E`

.

*Note*: all formulas submitted to the Herbie web demo are logged and made publicly accessible. See what formulas other users submitted here.