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# NXP MathExecutor
Simple math expressions calculator
## Install via Composer
All instructions to install here: https://packagist.org/packages/nxp/math-executor
## Sample usage:
```php
require "vendor/autoload.php";
$calculator = new \NXP\MathExecutor();
print $calculator->execute("1 + 2 * (2 - (4+10))^2");
```
## Functions:
Default functions:
* sin
* cos
* tn
* asin
* asoc
* atn
Add custom function to executor:
```php
$executor->addFunction('abs', function($arg) {
return abs($arg);
});
```
## Operators:
Default operators: `+ - * / ^`
## Variables:
You can add own variable to executor:
```php
$executor->setVars(array(
'var1' => 0.15,
'var2' => 0.22
));
$executor->execute("var1 + var2");
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