[[PageOutline(2-5,Contents)]]
= Another TracFormsPlugin Tutorial =
For basic information see the [wiki:TracFormsPlugin/Starter beginners part].

== Simple calculations ==
=== Single input ===
!TracForms don't aim at replacing your pocket calculator. Nevertheless you can do simple calculations with a single input field and !TracForms `sum` operation. Implicit default operation is to sum up all values. It supports arbitrary float precision and reduces results to integer, if possible:

{{{
{{{
#!TracForm
#! submit_label Calculate!
[tf.input:formula 0] = [tf.sum:[tf.value:formula]]
}}}
}}}

rendered result:[[BR]]
 [[Image(forms_example_calc-one-field.png)]]

=== Multiple input fields ===


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Read even more in the [wiki:TracFormsPlugin/Expert expert section].