Calculate blast parameters including bench height, hole diameter, burden, spacing, sub-drill depth, top stemming, deck stemming, and base charge length.
by Pavel Popov★ 4.04 ratingsBusiness$21.99Data updated 2026-10-14
Concepts through tutorials, formulas, and quizzes. Calculate variables using a smart formula solver. Access 4 tutorials for free or upgrade to unlock 11 additional tutorials. Track progress with built-in quizzes and formula references.
Calculate size for round or rectangular ductwork. Adjust airflow, diameter, width, or height using sliders. Enter values directly for precise measurements. Lock friction calculations for accurate results.
Calculate physical quantities using formulas for force, kinetic friction, static friction, centripetal force, and more. Convert units for gravitational acceleration, angular acceleration, density, and water density.
Calculate tyre and rolling radius. Adjust speedometer error and customize speed settings. Compare wheels, save results as images, and use split view. Includes truck wheel and clearance calculators. Access a database of car wheels.
Merge PDF files by combining two or more documents into one. using multiple options. Extract even or odd pages into separate documents. Delete specific pages. Access dark mode for better visibility.
Convert units across multiple categories on a single screen. Perform calculations with a built-in numeric keyboard. Add custom units and categories. Navigate quickly with minimal scrolling. Supports both basic and complex conversions.
Manage appointments and client records by viewing schedules, adding new clients, and tracking product purchases and notes. Schedule consultations, set reminders, and access client history for personalized service.
Track expenses by categorizing transactions and setting budget limits. View spending patterns over time. Receive notifications for upcoming bills and savings goals. Adjust budgets monthly and sync data across devices.
Monitor CPU frequency and reduction details. View real-time CPU performance metrics. Check screen resolution and size. Display battery design capacity. Track network IP and speed. Identify GPU type and extensions.
Convert units and currencies across hundreds of categories with real-time exchange rates updated every 6 hours. Calculate mortgages, loans, tips, and fuel consumption. Edit, create, or download customizable templates for various conversions.
Select a winner from 1 to 4 participants using placement. Includes sound and vibration feedback. Split groups into teams or rank players for fair decisions.