Calculate tips by entering a bill amount and selecting a tip percentage. Display total and per-person costs. Split bills among multiple people. Works on iPhone and iPad with a clean interface. Includes a small ad banner. Free to use.
Calculate area, perimeter, and square-up using length, width, and height. Convert measurements between yards, feet, inches, fractions, and decimals. Perform unit conversions for math tasks.
Calculate pay by entering hourly rate, block hours, time away from base, and hours. The automatically computes total pay and displays results. Updates include formula changes for accurate calculations.
Calculate tips and bills by entering the total amount, selecting a tip percentage, and choosing the number of people. Shake the device to reset the calculation.
The app helps users minimize material waste by producing a cutting plan for lumber, sheet goods, and other materials. It accommodates various units and material sizes, factoring in saw blade width and wood grain for sheet goods.
Calculate payments with options for weekly, bi-weekly, or monthly schedules. Determine taxes, upfront payments, total amount, interest, and total cost. Adjust payment amounts and view detailed breakdowns.
The app illustrates measuring the density of solids using liquids. It is part of a collection of simulation-based learning tools for physics, chemistry, and biology.
Perform calculations with addition, subtraction, division, and multiplication. Calculate powers, roots, and percentages. Use dark mode, split view, and portrait/landscape orientation. Copy results by pressing and holding numbers.
The app records every calculation step, allowing users to modify any step and recalculate without re-entering data. It functions like a printing calculator with a paper tape history for clarity and ease of use.