Calculate mathematical expressions with basic and advanced functions. Store history for reference. Add taxes to totals. Use biometric authentication like fingerprint or face to secure data. Retrieve previous results for new calculations.
by Yukio Tajima★ 5.01 ratingsUtilitiesFreeData updated 2026-09-06
Solve math problems with basic and complex calculations. Convert units and exchange currencies. Use fractions and square root functions. Perform calculations quickly and accurately.
Calculate with trigonometric and exponential functions
Store values by pressing "STO" and selecting a memory slot. Perform basic arithmetic and advanced mathematical functions including sine, cosine, logarithm, and exponential.
Find reference numbers for jacketing and elbows in PVC and metal. Calculate common measurements like O.D. and O.C. Select pipe and insulation sizes to retrieve data. Used by journeymen and apprentices in commercial and industrial settings.
Calculate tips and taxes with customizable percentage settings. Input total amounts and split payments among users. Choose between tip and tax modes. Save calculation history and switch between iPhone and iPad layouts.
Perform basic arithmetic operations, including addition, subtraction, multiplication, and division. Use parentheses for complex calculations. Switch between light and dark themes for better visibility.
Perform complex calculations with a supporting trigonometry and Bessel functions. Access over 80 mathematical functions and quick references for basic operations. Solve equations efficiently for engineering tasks.
Edit formulas, check calculations, reuse past entries
Enter and edit mathematical formulas with real-time validation to prevent errors. Reuse past formulas to adjust values quickly. Navigate expressions using a cursor or arrow keys. Swipe to switch between calculation modes and view results instantly.
Perform calculations with a standard interface and advanced engineering functions. Input numbers and equations, use parentheses, and access scientific operations. Adjust display settings and save history for quick reference.
Perform complex calculations with scientific functions, trigonometry, and unit conversions. Customize themes, adjust display settings, and save frequently used formulas. Export results and share calculations directly.
Calculate with , edit equations instantly, preview
Input allows users to speak equations for instant calculation and audio output. Tap to edit equation parts without backspacing. View equation components above the input and the result below. Access calculation history and favorites for quick reuse.
Allows users to perform basic and advanced arithmetic, including equations with parentheses and percentages. It features color-coded parentheses, a dual-display showing the equation and result, and a history log with copy and share options.
Calculate ratios, torque, and speed for train systems. Input teeth numbers and speeds to determine outputs. Simulate train operation instantly. Preview system functionality before 3D printing.
Perform basic and complex calculations with a minimalist interface. Large buttons and a display show current input and calculation history. Supports portrait and landscape orientation. Includes AI-powered problem-solving for advanced operations.
Allows users to perform calculations by without typing. It solves math problems using AI models like ChatGPT and Gemini. Users can ask for comparisons, bill splits, and percentage discounts. The converts units and time formats instantly.