Access RV types, classes, and system diagrams for electrical, plumbing, and appliance setups. Includes calculators for weight, leveling, and towing calculations.
by Calculated Industries, Inc.★ 4.760 ratingsReference$1.99Data updated 2026-09-10
A with customizable themes allows users to select from multiple visual styles. Perform basic and advanced calculations. Switch between light and dark modes. Adjust font size and color schemes.
Access boating information with detailed charts, graphs, and illustrations. Look up formulas, safety guidelines, and equipment specifications. Search for content by topic or use the table of contents. View 800+ images and diagrams for visual .
Access electrical wiring diagrams for switches, fans, and outlets. Calculate grounding conductor sizes. View diagrams for 3-way switches, 4-way switching, GFCI, and more. Includes NEC 2014 to NEC 2023 standards.
Provides construction information with over 1,500 illustrations, 100 guides on energy-efficient building, and 30 calculators. Users can access topics like construction safety, woodworking methods, concrete placement, and project planning.
’s provides access to electrical theory topics, including exercises with answers. Features interactive diagrams for hands-on learning. Includes calculators and formulas for electrical calculations. Works offline without ads or subscriptions.
Manage savings with features like opening and funding accounts, checking balances, and scheduling transfers. View current rates and use growth calculators. No minimum deposit required for savings accounts. Accounts are FDIC-insured.
Lets users switch between basic and scientific modes with over 30 operations. Customize leather color and background texture on iPad. Use portrait or landscape orientation on iPad. Take notes or draw on the screen.
The app offers unit and currency conversion across hundreds of categories. It includes mortgage, loan, and tip calculators, with the ability to edit, add, or download templates.
Calculate refrigerant charges for systems using built-in formulas. Input system parameters to determine correct levels for R-22, R-410A, R-32, and other refrigerants. Save and export calculation results for record-keeping.
Perform calculations and unit conversions with over 120 formulas. Save and retrieve calculation results. Add frequently used calculators to a favorites list. Email calculation inputs and outputs. Search for specific calculations or references.
Study aviation knowledge and calculate flight data
Access FAA-approved training content formatted for iPhone and iPad. Use 110 calculators for flight planning and review over 80 pages of weight and balance data. Track key aviation knowledge and reference FAA guidelines directly within the .
Record calculations, customize prompts, simplify math
Perform calculations with a simplified interface and faster performance. Record and search calculation history. Customize prompt sounds and choose from multiple themes. Designed for use on iPad.
Calculate wire pull characteristics and generate NEC®
The includes multiple calculators for electrical wire pull calculations. Users can input parameters for voltage drop, ground wire sizing, ampacity adjustments, and phase wire attributes. Results are generated according to NEC® standards.
Display multiple calculators for different purposes. Perform calculations using each calculator. Switch between calculators for various tasks. Input numbers and operators for accurate results.
Display multiple calculators for different purposes. Perform calculations using each calculator. Switch between calculators to access various functions. Input numbers and operators to compute results.
Track HVAC system installations and service tasks with step-by-step guidance. Access Link Systems, Link Zoning, and Link Relay Panel integration. Log service reports and update system configurations.
Access drug information, medical calculators, and high-resolution pill images. Look up conditions, dosages, and treatment guidelines. Stay updated with regularly refreshed content from trusted healthcare organizations.
Display multiple calculators including scientific, financial, and unit conversion tools. Perform complex calculations, switch between modes, and save frequently used formulas. Share results via copy-paste or email.
Display multiple calculators for various functions. Perform calculations using each calculator. Switch between different tools for math, finance, and unit conversions. Save frequently used formulas for quick access.