Showing 1–20 of 1,000 ranked alternatives.
Kelly Gayneaux
Calculate volume across shapes and ground types
Calculate volume for liquids and saturated soils using input dimensions. Estimate in barrels and gallons. Break spills into sections for tracking. Add custom notes for each .
Tue Nguyen Minh
Solve fractions with mixed number input
Solve math problems with three keypads for easy mixed number input. Calculate multiple fractions simultaneously. Syncs with iOS devices for optimal performance.
Tue Nguyen Minh
Calculate and with a measure display
Convert measurements between , , and centimeters. Input fractions or decimals for precise calculations. View results on a visual measure display. Perform addition, subtraction, multiplication, and division with measurement values.
Trelleborg Sealing Solutions Germany GmbH
Calculate , perimeter, , and weight
Calculate , perimeter, , and weight for 170+ geometric shapes. Input measurements or use calculation methods for missing values. Select materials like metal, wood, or liquid to determine weight. Search shapes by typing or swipe through categories.
Goksel Pirnal
Calculate taxes, track income, and analyze profit
Calculate financial metrics like income tax, sales tax, profit margin, and gross profit. Input values to determine discounts, CAGR, VAT, and cryptocurrency mining profit. Track costs, net income, and finance costs with -based calculations.
Andreas Skotadis
Calculate, copy, and split results
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.
V PUGAZHENTHI
Calculate efficiency and energy values
Provides tools for calculating Carnot efficiency, Eckert number, emissivity coefficient, energy efficiency, and more. Users can access thermodynamics tables, formulas, and definitions.
Daxesoft Ltd
Calculate rate and pressure loss
Calculate fluid rates and pressure loss in pipes. Determine diameter or maximum length based on rate and pressure drop. Find friction loss and rate using built-in formulas. Input dimensions and fluid properties for accurate results.
QApps LLC
Calculate, convert, and solve equations
Perform complex calculations with scientific formulas and unit conversions. Access calculation history via Spotlight and 3D Touch. Use widgets for quick access and history integration. Sync with Apple Watch for notifications and basic calculations.
Dylan Burton
Calculate historical prices and convert to today's
Calculate historical currency values from 1800 to 2025. Convert prices using 22 currencies including US Dollar, Euro, British Pound, and others. Adjust for and view adjusted values over time.
Armchair Engineering
Solve fractions and view steps
Solve equations with addition, subtraction, multiplication, and division. View step-by-step working to understand solutions. Handle mixed and partial fractions. Convert between decimals and fractions. Find factors of numbers or common factors.
tasser gyati
Calculate, convert, and solve equations
Offers standard and advanced math functions including percent, negative sign, memory, brackets, and history. It includes trigonometry, roots, exponents, and logarithms.
Di Venisco UG (haftungsbeschrankt)
Graph functions and solve equations
Solve math problems with capabilities. Input equations, view function graphs, and analyze statistical data. Perform calculations in algebra, calculus, and statistics. Navigate using arrow keys or touch gestures.
Phan Nhat Đang
Calculate ROI and Annualized ROI
Calculate ROI by entering invested amount, returned amount, and investment period. Compute annualized ROI for long-term returns. Provide accurate results based on user input.
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