Calculate trajectories with precise ballistic algorithms. Input variables like angle, velocity, and elevation. Predict projectile motion and adjust parameters for accuracy. Export results and share data.
Place your index finger on the camera flash to capture images. The uses PPG algorithms to measure accurately. View results and track changes over time.
Tune ukuleles with high-precision tuning using a professional algorithm. Play real instrument sounds for reference. Adjust string tension and detect out-of-tune notes. Save tuning presets and share results.
Calculate historical prices and convert to today's
Calculate historical currency values from 1800 to 2025. Convert prices using 22 currencies including US Dollar, Euro, British Pound, and others. Adjust for and view adjusted values over time.
Calculate costs and percentages for building projects. Estimate quantities needed for walls, floors, and roofs. Convert measurements between units. Track project budgets and adjust estimates in real time. Export calculations to PDF or email.
Customize appearance with themes, button shapes, and colors. Choose from six layouts and control all visual elements. View input and result simultaneously on dual-line display. Adjust settings for precise calculations.
Perform calculations with a freeform canvas and responsive results. Link numbers for instant updates. Calculate tips and discounts. View full history with clear formatting. Adjust settings for precision and layout.
Perform calculations using a scientific or voice input. Access calculation history by swiping down. Copy and paste values. Switch between light and dark themes. Enable larger buttons for easier use.
Calculate ballistics, track distance, sync rangefinder data
Smart Calculator: Input environmental parameters like wind speed, angle, and ammunition type to generate real-time bullet drop and windage corrections.
Calculate sales tax and discounts with percentage-based operations. View equations and reuse previous results via the history tape. Adjust rounding settings and switch between multiple color themes.
Tune violins with high precision using a professional algorithm. Play real instrument sounds for accurate reference. Adjust tuning settings and save custom preferences. Share tuning results and track progress over time.
Measure areas and calculate distances using GPS. Draw polygons on maps to calculate field areas. Save and share data. Access detailed maps and satellite imagery for accurate surveying.
Calculate sizes for rectangular and circular ducts by inputting maximum friction rate or velocity. Switch between calculation methods by tapping values. Convert between I-P and S-I units using a toggle switch. Export results for reference.
Track speed, distance, and odometer in real time. Switch between various velocity units. Measure movement in both forward and reverse directions. Sync with other apps for data tracking.
Analyze frequencies with a real-time display. Adjust and visualize sound levels across different frequency ranges. Export analysis data and compare signals for accuracy. Calibrate equipment for optimal performance.
Calculate chemical dosages for pools or hot tubs based on water volume and test results. Input pH, alkalinity, and sanitizer levels to determine treatment amounts. Export results and share with service professionals.
Calculate and mortgage payments with customizable terms, interest rates, and frequencies. Display breakdowns of interest and principal. Estimate repayment time. Compare options. Export results via email or file. Save details for future reference.
Perform calculations with a running total and real-world logic. Handle cost, sell, and margin computations. Add or subtract percentages in one step. Features large buttons and a clear display for easy use.