Electrical calculators: Ohm's law, wire ampacity, solar sizing & unit tools.
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WHAT YOU GET FREE
Use all six tools free: resistor and SMD decoding, circuit and wire calculations, thread references, solar sizing, unit-price comparison, and every reference chart. Small saved sets are included for trying each workflow.
IN-APP PURCHASES
Every purchase is a one-time, non-consumable unlock. Current, localized prices are shown by Google Play on demand.
OhmQuill All Access
Unlocks all six tools at once: unlimited saved projects, jobs, runs, systems and lists; bills of materials; panel-schedule, takeoff, torque and payback workspaces; and CSV export.
Individual Tool Modules
Each tool can also be unlocked individually. Module unlocks expand unlimited saved work, advanced workflows, and export for that specific tool.
PRIVACY AND OFFLINE USE
No account is required. Saved work stays on device and is never uploaded. The app works offline, has no ads, and uses no analytics.
bee2.io LLC — more apps at https://bee2.io