# Q&A

**URL:** https://discuss.compclassnotes.com/c/free-form/a/38.md

[Latest](https://discuss.compclassnotes.com/latest.md) · [Categories](https://discuss.compclassnotes.com/categories.md) · [Tags](https://discuss.compclassnotes.com/tags.md)

---

## [About the Q&A category](https://discuss.compclassnotes.com/t/about-the-q-a-category/221)

<div class="topic-metadata">

**Author:** [@FreeFormer](https://discuss.compclassnotes.com/u/FreeFormer)\
**Replies:** 0

</div>

---

## [Why "show var" and not "show x^3-1"?](https://discuss.compclassnotes.com/t/why-show-var-and-not-show-x-3-1/229)

<div class="topic-metadata">

**Author:** [@FreeFormer](https://discuss.compclassnotes.com/u/FreeFormer)\
**Replies:** 0\
**Last updated:** [May 9, 2026, 1:11pm UTC](https://discuss.compclassnotes.com/t/why-show-var-and-not-show-x-3-1/229 "2026-05-09T13:11:25Z")

</div>

//store the print or plot content into a variable; //in ff normally show and plots are applied to important variables and therefore preserved for later use; var = x^3-1; show var; //x^3-1 is lost after show completes! ;…

---

## [L = apply norm to v;](https://discuss.compclassnotes.com/t/l-apply-norm-to-v/222)

<div class="topic-metadata">

**Author:** [@FreeFormer](https://discuss.compclassnotes.com/u/FreeFormer)\
**Replies:** 0\
**Last updated:** [May 6, 2026, 9:26pm UTC](https://discuss.compclassnotes.com/t/l-apply-norm-to-v/222 "2026-05-06T21:26:55Z")

</div>

Current form is functional or procedural: l = apply\[norm, v\]; Free Form: l = apply norm to v;