Calculate of values, increase or decrease values by a percentage, and find the original value before a percentage change. Set custom values, view step-by-step calculations, and save results for future reference.
Perform complex mathematical calculations including trigonometric functions, logarithms, and exponentials. Switch between radians and gradients. Edit equations and save results for future reference.
Calculate with dual-line display and multi-line input
A with dual-line display showing input and result. Supports multi-line equations and tap-to-move cursor. Saves calculation history with timestamps and labels. Allows emailing calculations and swiping to review past entries.
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.
Track calculations step by step to identify errors. Perform basic and advanced math operations. Use scientific functions and memory storage. Save and recall previous equations. Adjust display settings for different modes.
The app provides a comprehensive tipping guide for various services and countries. It includes an AI assistant for specific scenarios and an expense logbook for tracking tips and receipts.
Offers seven-in-one functions including basic, scientific, and unit conversion tools for currency, distance, weight, time, and data. Switch between modes by rotating the device. View operation history on the screen. Use degree or radian settings.
Allows users to grade assignments by entering total questions and tallying correct or incorrect answers. Calculate percentages and grades instantly. Support letter grades, pass/fail, and point-based grading.
Convert units across 16 categories with instant results. Switch between metric, imperial, and other systems. Calculate conversions for length, weight, temperature, and more. Store frequently used values for quick access.
Track progress by marking completed chapters. View percentage bars for overall, Old Testament, and New Testament progress. Save notes and favorite chapters. Select dates to review past progress.
Calculate box fill, fill, and wire volume according to NEC standards. Input device counts, equipment grounding, and internal clamps. Access common box sizes and types for accurate volume calculations.
Calculate individual and tip amounts. Split costs among group members. Adjust for tax and customize tip percentages. Dark mode reduces screen brightness for dim environments. Share final splits via text or .