# exp10 > Base `10` [exponential function][exponential-function].
## Usage ```javascript var exp10 = require( '@stdlib/math/base/special/exp10' ); ``` #### exp10( x ) Evaluates the base `10` [exponential function][exponential-function]. ```javascript var v = exp10( 3.0 ); // returns 1000.0 v = exp10( -9.0 ); // returns 1.0e-9 v = exp10( 0.0 ); // returns 1.0 v = exp10( NaN ); // returns NaN ```
## Examples ```javascript var randu = require( '@stdlib/random/base/randu' ); var exp10 = require( '@stdlib/math/base/special/exp10' ); var x; var i; for ( i = 0; i < 100; i++ ) { x = (randu()*100.0) - 50.0; console.log( '10^%d = %d', x, exp10( x ) ); } ```