A with customizable themes allows users to select from multiple visual styles. Perform basic and advanced calculations. Switch between light and dark modes. Adjust font size and color schemes.
by The App Tower Inc.★ 4.5146,123 ratingsUtilitiesFreeData updated 2026-09-08
Perform arithmetic, calculate loans, mortgages, GPA, dates, units, and BMI. Track calculation history for easy reference. Use a clean, intuitive interface for efficient computation.
Calculate tips and split bills by scanning receipts with the camera. Automatically fill in the total bill amount. Manually adjust totals if needed. Share the split results via email or messaging apps.
Create and send professional invoices with customizable styles and color themes. Add items, select recipients, and track status. Save invoices for future reference and manage customer information.
Perform calculations with over 225 built-in operations including trigonometry, logarithms, complex functions, and real numbers. Scroll through the stack with finger gestures. Copy and paste results. Work with real and complex numbers.
Convert units across 30 categories with over 700 measurement options. Switch between light and dark mode. Use a backspace key for quick edits. Perform conversions with straightforward interface.
The provides 74 calculators for various tasks. Users can perform financial calculations, scientific computations, and unit conversions. Features include loan calculations, equation solving, and unit conversion tools.
Unit and currency converter for quick conversions. Solve math problems with handwriting recognition. Calculate BMI, date intervals, and basic data. Analyze equations and perform photo-based problem searches.
Calculate loan payments and compare different loan options. Determine compound interest and return on investment. Convert currencies and compute tax equivalent yield. Find bond values and use the rule of 72 for growth estimates.
Offers a standard, scientific, and fractions with over 30 scientific operations. Users can add notes to calculation history and share entries. It supports portrait and landscape modes on iPhone and iPad, and split-screen functionality.
Calculate tips and split bills by entering total amounts and selecting tip and tax percentages. Round payments up, down, or to the nearest amount. Save preferred settings for future use. Customize appearance with nine themes.
Perform arithmetic, business, , and scientific calculations. Convert metrics and currencies. Calculate markup, margin, loan amortization, net present value, and internal rate of return. Determine bond yield to maturity and Macaulay duration.
Calculate tips and taxes by entering percentages or dollar amounts. Round total or individual amounts up or down. Split bills with friends and adjust each person's share.
Perform complex calculations using algebraic expressions and programmable functions. Support unit conversions and attached units. Save and recall variables. Run scripts and access a comprehensive mathematical library. Export results and history.
Perform calculations with advanced operators and scientific functions. Use trigonometric, logarithmic, and round functions. Calculate tips and discounts. Edit expressions on the fly with a magic cursor. Share results directly.
The app converts between units in categories like length, temperature, and weight. It provides access to previous conversions through a history list with color-coded categories.
The functions as a programmable scientific calculator with HP-15C features. Users can perform financial calculations including account balance tracking with interest rates and loan amortization schedules.
Calculate sales tax and discounts with percentage-based equations. View calculation history for reuse. Adjust tax settings via swipe. Customize rounding preferences. Choose from multiple color themes. Perform basic arithmetic operations.