Plumbing Formulator vs Drive Reminder

PLUMBING FORMULATOR is the ultimate professional calculator for plumbers, HVAC techs, and mechanical contractors. Over 200 formulas, reference charts, code books, and pro tools in your pocket. CALCULATORS AND FORMULAS Water Flow and Supply: pipe velocity, flow rate, GPM, fixture unit demand, and supply sizing. Pipes and Piping: area, volume, and weight for copper, steel, cast iron, and plastic. Hazen-Williams friction loss, pressure ratings, and 45 degree offsets. Drainage and Venting: drain sizing, slope and fall, vent sizing, fixture units, and wet vents. Water Heaters: BTU requirements, recovery rates, tank sizing, first hour ratings, and hot water demand. Pumps and Pressure: water and brake horsepower, efficiency, head pressure, velocity head, and PSI to feet of head. Storm Drainage: roof drains, rainfall intensity, gutter and leader sizing, and retention. Gas Piping: size natural gas and propane lines, BTU loads, pressure drop, and appliance demand. Medical Gas: size oxygen, nitrogen, nitrous oxide, and medical air. Vacuum demand and manifolds per NFPA 99. Swimming Pools: volume, fill time, pump sizing, turnover, evaporation loss, and main drains. Septic and Sewage: septic tanks, leach fields, and sewage pump capacity. Thermal Expansion: expansion tank sizing, system pressure, and pipe length changes. REFERENCE MATERIALS Charts and Tables: dozens of reference charts including pipe sizing, fixture units, and materials in PDF. Massachusetts Plumbing Code: complete 248 CMR reference with all chapters. Plumbing Design Guide: a 24 chapter design and installation guide. Technical Drawings: professional diagrams and installation details. TOOLS AND FEATURES Pipe Cut List Optimizer: enter lengths and stock sizes for an optimized cutting plan that cuts waste. Unit Conversions: length, area, volume, flow, pressure, temperature, weight, and power. Geometry Calculators: area and volume for circles, rectangles, triangles, cylinders, spheres, cones, and more. BUSINESS MANAGEMENT More than a calculator. Tap Business to run your service company from the same app. Customers: contacts, service addresses, job history, and outstanding balances. More than a calculator. Tap Business to run your service company from the same app. Customers: contacts, service addresses, job history, and outstanding balances. Quotes and Estimates: build quotes on site and turn an approved quote into an invoice with one tap. Invoicing: branded invoices with your logo, parts and labor, taxes, and terms. Send by email, print, or PDF. Payments: cash, check, card, ACH, or credit. Apply one payment across invoices and manage credit automatically. Scheduling: book service calls, track jobs, and set up recurring contracts that auto-generate invoices. Business Reports: balances, receivable aging, revenue, and payment history. Export as CSV or PDF. Business features are a separate one-time upgrade, discounted for existing Bill-Craft and ServiceBoss customers. PLUMBING PRO FEATURES Upgrade to Plumbing Pro to save calculations with full detail, export results, keep unlimited history, and remove ads. One time purchase with lifetime access. A modern dark interface built for the job site, with breakdowns showing the steps and formulas behind every result. Perfect for plumbers, apprentices, HVAC techs, mechanical engineers, and building inspectors. Download Plumbing Formulator today and put professional plumbing calculations at your fingertips.

Never Get Surprised by a Dead Car Battery Again. Drive Reminder is the essential app for car owners who don't drive regularly. Whether you have a weekend car, classic vehicle, or just don't drive often, this app prevents the frustrating surprise of a dead battery when you need your car most. Smart Vehicle Management - Add multiple vehicles with custom battery specifications (2-5 weeks) - Track different vehicle types with personalized settings (free version includes 1 vehicle) - Set default vehicles for quick drive logging Automatic Calendar Integration - One-tap drive logging creates "Drive Logged" appointments - Automatically deletes old reminders and creates new ones - Smart alarm system: same-day and 3-day advance notifications - Seamless integration with any existing Apple calendar Apple Watch Companion - Quick drive logging without reaching for your phone - Real-time synchronization with your iPhone - Optimized interface for small screen Complete Drive History - Track all your drives with timestamps - View detailed driving history - Easy swipe-to-delete for history management - Persistent data across all your devices Premium Features - Pack 1: Manage up to two vehicles - Pack 2: Manage up to six vehicles - No subscription required - one-time purchase Perfect For: - Weekend car owners - Classic car enthusiasts - People who work from home - Seasonal vehicle owners - Anyone who doesn't drive daily - Car collectors - People with multiple vehicles - Or just when you're busy and it keeps slipping your mind that you have a car :-) Real-World Scenarios: "I forgot to drive my weekend car for 3 weeks - dead battery!" "My classic car won't start after sitting all winter" "I work from home and rarely drive - battery died" "I have multiple cars and forget which ones I've driven" How It Works: 1. Add your electric vehicle(s) 2. Set battery specification period (2-5 weeks) 3. Log drives with one tap 4. App automatically manages your calendar reminders 5. Receive notifications before battery drain occurs Privacy & Security: - All data stays on your device - No personal information shared - Local calendar integration only - Secure, private operation Download Drive Reminder today and never worry about your electric vehicle battery again!