# Make equation into dynamic textbox

**URL:** <https://forum.kirupa.com/t/make-equation-into-dynamic-textbox/304461>\
**Category:** flash\
**Created:** [February 8, 2010, 11:14am UTC](https://forum.kirupa.com/t/make-equation-into-dynamic-textbox/304461 "2010-02-08T11:14:09Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![Nimaro](https://avatars.discourse-cdn.com/v4/letter/n/7bcc69/32.png) [@Nimaro](https://forum.kirupa.com/u/Nimaro)\
**Post date:** [February 8, 2010, 11:14am UTC](https://forum.kirupa.com/t/make-equation-into-dynamic-textbox/304461/1 "2010-02-08T11:14:09Z")

</div>

Hy everyone,

Im trying to do a simple addition, like 2 plus 2, adn then send it to my dynamic textbox.

Im sending the value to the box wrong. 😕

I show u how im trying to do. And hope u can help me.

```auto

somar (40);

function somar(numero1:Number){
    soma = soma + numero1;
    trace(soma);
    btn_somar.value = soma;
}
```