# 10.0014 + 0.0000123456 = 10.0014?

**URL:** https://community.freefem.org/t/10-0014-0-0000123456-10-0014/3461
**Category:** General Discussion
**Created:** [August 31, 2024, 2:28pm UTC](https://community.freefem.org/t/10-0014-0-0000123456-10-0014/3461 "2024-08-31T14:28:01Z")
**Posts on this page:** 1
**Showing post:** 8

<div class="post-metadata">

### Author: ![vlaude](https://yyz2.discourse-cdn.com/flex030/user_avatar/community.freefem.org/vlaude/32/939_2.png) [@vlaude](https://community.freefem.org/u/vlaude)
#### Post date: [September 1, 2024, 9:12am UTC](https://community.freefem.org/t/10-0014-0-0000123456-10-0014/3461/8 "2024-09-01T09:12:03Z")

</div>

Please see [Freefem default precision](https://community.freefem.org/t/freefem-default-precision/2223)

```auto
real a=10.0012;
real b=0.0000123456;
cout << a+b << endl;
cout.precision(16);
cout << a+b << endl;

```

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