Apps Like Objective Calculator for iPhone and iPad
Calculate, convert, and note with tabs
Calculate with multiple tabs for different tasks. Use a regular , scientific functions, and currency converter. Add titles to tabs for easy organization. Note-taking feature available for quick reminders.
by Thiago Anderson Martins★ 4.720 ratingsUtilitiesFreeData updated 2026-09-13
Read and annotate PDF and EPUB files. Create mind maps, flashcards, and study notes. Organize content with customizable tags and folders. Link annotations to build connections between ideas. Export notes and share directly.
Simulates a retro scientific calculator with RPN input. Features a 10-digit LED display, four stack registers, and a storage register. Includes math, trigonometric, and logarithmic functions. Displays results in polar/rectangular formats.
Create and edit and drawings for home screen and lock screen widgets. Draw with Apple Pencil or finger, type with keyboard. Customize backgrounds, colors, fonts, and zoom for details. Combine text and drawings in one note. Share as images or text.
A a log of all calculations. Displays input equations and results clearly. Includes backspace function. Allows adjustable keyboard size and number font size. Supports customization of decimal places, font size for , and display format.
Write calculations directly on the screen for real-time results. Edit equations with gestures or add elements anywhere. Drag and drop previous results for reuse. Supports interactive ink for natural handwriting input.
Snap and scribble to solve math problems. Perform basic, scientific, and fraction calculations. Convert currencies and view calculation history. Customize themes and use an intuitive design.
Plus provides arithmetic and scientific calculations with live expression preview and error detection. Perform operations in exact form, fractions, and scientific notation. Switch between standard and scientific modes. Share results directly.
Create and manage personal calendars with handwritten and drawings. Color code events for organization. Drag and drop to reschedule. Add rich text entries via keyboard. Sync with Apple Pencil for precise input.
With symbolic algebra, equation solving, and calculus functions. Supports fractions, repeating decimals, and high-precision numbers. Displays results as simplified expressions or numerical values.
FP performs basic arithmetic, currency conversions, and unit conversions. Users can switch between dark and light modes. Split-screen mode is available on iPad.
Perform calculations using reverse Polish notation. Swipe to undo or redo operations. Access a 100-entry stack and 6 memory buttons. View large, easy-to-read displays. Save state on exit. Supports scientific functions and multiple undo/redo levels.
Convert units across 20 categories with over 400 options, including mixed units like feet and inches. Add widgets for quick access. View conversion history and share results.