Observed arrival · 2026-11-03
TradesMath: field calculators for electrical and plumbing work
An iOS app presenting 11 electrical and plumbing calculators, with NEC 2023 and 2026 editions.
○Open
⊠Login
$Paid
†Ads
✦Pretty
●Pro
◎Niche
◉Human
⚑Risk
ƒJS
- For
- Electricians and plumbers working on site
- Worth noticing
- Eight electrical and three plumbing calculators; results are described as including source worksheets and code-section references.
Field notes
The page groups eight electrical calculators—including Ohm’s Law, voltage drop, conduit fill, ampacity, and residential loads—with three plumbing tools for pipe volume, rolling offset, and head pressure. Users can switch between NEC 2023 and 2026 editions; the site says results include source worksheets and table or section references. It also states that the app reproduces no copyrighted standard text and is not NFPA-endorsed.
Observed signals
Read the marks
Editorial observations of this landing page, not a rating.
○OpenPublic substance visible
$PaidCommerce or pricing visible
✦PrettyNotable craft visible
●ProPolished or operationally mature
◎NicheUnusually specific use
One card from the complete issue