# Anyone can help me to solve this error?

**URL:** <https://discourse.julialang.org/t/anyone-can-help-me-to-solve-this-error/52877>\
**Category:** New to Julia\
**Tags:** question, scope\
**Created:** [January 5, 2021, 12:56pm UTC](https://discourse.julialang.org/t/anyone-can-help-me-to-solve-this-error/52877 "2021-01-05T12:56:40Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![samuelyen](https://sea2.discourse-cdn.com/julialang/user_avatar/discourse.julialang.org/samuelyen/32/20786_2.png) [@samuelyen](https://discourse.julialang.org/u/samuelyen)\
**Post date:** [January 5, 2021, 12:56pm UTC](https://discourse.julialang.org/t/anyone-can-help-me-to-solve-this-error/52877/1 "2021-01-05T12:56:40Z")

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**julia\>** import Printf

**julia\>** @printf(“%3.2f”, 3.1416)

**ERROR:** LoadError: UndefVarError: @printf not defined

in expression starting at REPL[12]:1

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<div class="post-metadata">

**Author:** ![heliosdrm](https://sea2.discourse-cdn.com/julialang/user_avatar/discourse.julialang.org/heliosdrm/32/3851_2.png) [@heliosdrm](https://discourse.julialang.org/u/heliosdrm)\
**Post date:** [January 5, 2021, 1:02pm UTC](https://discourse.julialang.org/t/anyone-can-help-me-to-solve-this-error/52877/2 "2021-01-05T13:02:41Z")

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`import` brings the module into scope, but not its exported names:

```julia
julia> import Printf

julia> Printf.@printf("%3.2f", 3.1416)
3.14

```

You can bring `@printf` into scope, with `using` instead of `import`:

```julia
julia> using Printf

julia> @printf("%3.2f", 3.1416)
3.14

```

---

<div class="post-metadata">

**Author:** ![samuelyen](https://sea2.discourse-cdn.com/julialang/user_avatar/discourse.julialang.org/samuelyen/32/20786_2.png) [@samuelyen](https://discourse.julialang.org/u/samuelyen)\
**Post date:** [January 5, 2021, 1:05pm UTC](https://discourse.julialang.org/t/anyone-can-help-me-to-solve-this-error/52877/3 "2021-01-05T13:05:20Z")

</div>

wow! problem solved!  
many thanks!