Calculate decimal, binary, octal, and hexadecimal values
Perform decimal, binary, octal, and hexadecimal arithmetic. Convert between number systems. Apply binary logic functions. Use parentheses for operator grouping. Input hexadecimal values using A-F keys.
by William David★ 4.56 ratingsUtilitiesFreeData updated 2026-09-09
Calculate , base material, and sealcoat quantities for paving projects. Input dimensions in various units and receive results in tons, cubic yards, or cubic meters. Estimate material costs based on input measurements.
Perform complex calculations, convert units, and manage dates. Calculate financial figures, solve equations, and track progress. Save frequently used formulas and access a scientific . Share results via email or copy to clipboard.
Convert units and currencies across hundreds of categories with real-time exchange rates updated every 6 hours. Calculate mortgages, loans, tips, and fuel consumption. Edit, create, or download customizable templates for various conversions.
Perform -based calculations with addition, subtraction, multiplication, and division. Input and display in days, hours, minutes, and seconds. Customize format preferences. Convert between different units.
Solve right-angled triangles by inputting known sides or angles. View step-by-step calculations and a scale drawing of the triangle. Access basic trigonometric formulae. Enter angles in radians, decimal degrees, or degrees, minutes, seconds.
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.
Perform arithmetic operations with fractions, including addition, subtraction, multiplication, and division. Convert between improper fractions and mixed numbers. Adjust denominators and simplify results.
Calculate circuits, convert units, test experiments
Solve electrical problems by calculating voltage, current, and resistance. Input values to determine unknown variables. Perform unit conversions and conduct experiments. Store and retrieve calculation results.
Allows performing arithmetic operations including addition, subtraction, multiplication, division, parentheses, and percentage. It displays numbers in thousands, sets decimal places, and records calculations for easy editing.
Perform arithmetic operations on numbers in bases 2 to 36. Convert between number bases. Input numbers in various bases. Handle signed and unsigned negative numbers using two's complement. Support fractions with up to 8 decimal places.
Perform complex calculations with 10 financial worksheets and 10 calculators. Switch between landscape and portrait modes. View results in decimal, fraction, or percentage formats. Save and recall previous calculations. Export data as text or PDF.
Solve time-value-of-money calculations and generate amortization schedules. Perform cash-flow analysis and compute NPV and IRR. Calculate depreciation using four methods. Calculate breakeven, profit, and percent difference.