The app provides a reference and utility for electronics hobbyists. It includes calculators for resistors and capacitors, along with tools for L.E.D.s and Ohm's law.
by Soft Dorothy LLC★ 5.06 ratingsReferenceFreeData updated 2026-09-23
Provides drill and tap size charts for fractional, letter, and wire standards. It calculates drill sizes for cutting and forming taps based on thread percentage. It also computes RPM and feed rates for cutting taps in various materials.
Calculate card trades and transactions with precise percentage-based formulas. Input buy/sell prices and trade percentages to determine cash values. Convert credit amounts to cash equivalents. Save and manage multiple entries for repeated use.
Manage aquarium data with customizable logs for water parameters, equipment, and maintenance schedules. Track fish health, medication, and feeding routines. Generate reports and set reminders for water changes and filter replacements.
Calculate scores for based on breed standards. Input measurements and characteristics. Generate reports and export results. Track individual animal evaluations.
Calculate with customizable inputs. Track investment over time. Save calculation history. View visual charts for annual returns. Simulate different scenarios to plan financial goals.
Track liver function with calculators that retain entry data across tools. Save and organize clinical notes and web links. Convert U.S. to SI units. Access related web references for each calculator. Manage favorite web links for quick reference.
The app provides calculations for drilling, milling, and turning operations. It also serves as a reference tool with charts for tap sizes, drill sizes, and machining parameters for various materials and tool types.
The app provides HVAC piping system design tools based on an original plastic wheel calculator. It includes calculators for friction loss, velocity, and Cv, along with a Circuit Setter/Triple Duty Valve calculator for design and field use.