# \#testimonial **URL:** https://sierraconnect.protoexpress.com/tag/testimonial/95.md [Latest](https://sierraconnect.protoexpress.com/latest.md) · [Categories](https://sierraconnect.protoexpress.com/categories.md) · [Tags](https://sierraconnect.protoexpress.com/tags.md) --- ## [TESTIMONIALS NEEDED for Sierra's design tools and calculators](https://sierraconnect.protoexpress.com/t/testimonials-needed-for-sierras-design-tools-and-calculators/672)
**Author:** [@lucy.sierracircuits](https://sierraconnect.protoexpress.com/u/lucy.sierracircuits)\ **Replies:** 0\ **Last updated:** [December 5, 2023, 11:49pm UTC](https://sierraconnect.protoexpress.com/t/testimonials-needed-for-sierras-design-tools-and-calculators/672 "2023-12-05T23:49:07Z")
If you have ever used our design tools, such as the Stackup Designer, Impedance Calculator, Material Selector, etc., please post your testimonial on this thread so we can use it on our website. We appreciate your partic…