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Just type in keyboard and do the math. No need to open the calculator. Do the math at fingertips. Just using the keyboard. Press 'Control+Shift+C' in your keyboard, start typing and get results. Features: - No use of mouse needed. - Supports variables - Supports currency conversions like '1 usd to gbp', '3 usd in inr' - Supports conversion of length, temperature, area, volume, time, etc. Refer to supported conversions https://mathjs.org/docs/datatypes/units.html#reference - 'Ctrl + Enter' to copy the last result to clipboard - Click on any of the result to copy to clipboard With Type To Calculate, users can save time by avoiding the hassle of opening a calculator program. The extension provides a convenient way to perform math operations directly within the browser, making it a handy tool for those who frequently work with numbers.
Number Summation
Allows you to instantly perform simple addition calculations. Allows you to instantly perform simple addition calculations.
Cloudy Calculator
The beloved Cloudy Calculator Chrome extension is back — rebuilt from scratch to work entirely offline, with improved unit handling, better plural recognition, and fixes for mixed-unit arithmetic. This update preserves the original’s simplicity and power while modernizing its internals for accuracy and reliability. Whether you’re doing quick everyday calculations, converting obscure units, or running scientific computations or currency conversion, Cloudy Calculator delivers instant, accurate results with zero privacy trade-offs. About this Update • Based on the original Cloudy Calculator, now fully offline • 100% pass rate on all 423 comprehensive tests from comprehensive_tests.html • Enhanced unit parsing: recognizes plurals and aliases (liters, lbs, meters, hours, etc.) • No dependency on online services for math or conversions • Runs locally — no data ever leaves your browser Features • Mixed-unit math: 10 lb - 2 kg in g, 2 cups + 500 ml in liters • Unit conversions for length, area, volume, mass, time, speed • Temperature conversions: 32 F to C, 100 C to K • Number base conversions: binary, octal, hex, decimal • Math functions: sin, cos, log, sqrt, pow, factorial, • Constants: pi, e, c (speed of light), phi, • Plural & alias handling: litres, lbs, meters, minutes, • Currency conversions This version has been verified with the original 423-case comprehensive test suite, achieving a 100% success rate. Tests cover: • All supported units & aliases • Temperature & currency conversions • Mixed-unit arithmetic • Base number conversions • Math function evaluations • Constant resolution • Robust error handling for invalid inputs Privacy • No tracking • No telemetry • No analytics • All calculations happen entirely in your browser • No user data is ever stored or transmitted I typically aim to identify and fix issues within 24–48 hours while balancing school and other commitments. However, Google’s approval process can take 3–5 days and is outside my control. This is a free tool that I maintain in my own time, and I do my best to keep it reliable for everyone. If you prefer to use a different extension in the meantime, that’s completely understandable — you should use whatever works best for you. That said, I would ask you to keep in mind that reviews have a lasting impact, while bugs are usually temporary and already in the process of being fixed.
Hissab - AI Calculator with accurate answers
Hissab is a natural language calculator. Perform calculations, unit conversions, percentage, date and time calculations. Hissab is an AI Powered natural language calculator that ensures accurate answers. It is useful for performing quick day-to-day calculations as well as complex brainstorming and planning. Simple & Intuitive: Using Hissab feels completely natural. There is no learning curve or complex documentation needed. To perform any calculation, simply type your problem in your own language and get instant answers . Powerful & smart: From basic calculations to advanced operations, it can do it all. It supports a wide range of operations, calculations and can compute complex expressions as you type. For Everyone & Everyday use: Hissab is a day to day productivity application. Whether you are or a student or a professional, it is useful for everyone. Hissab is completely free without any signup if you don't want full natural language features with AI. What can it do? - Basic arithmetic operations (addition, subtraction, multiplication, division). - Calculating the power of values and roots. - Unit conversions for length, area, volume, temperature, weight, angle, data, time, duration, and currency. - Performing percentage calculations, including finding a percentage of a number, applying discounts, and adding or subtracting a percentage to/from a value. - Calculating factorial, modulo, and absolute values. - Finding permutations and combinations. - Calculating least common multiple (LCM) and greatest common divisor (GCD). - Finding the maximum and minimum of a set of values. - Calculating logarithms with different bases (e, 10, 2). - Performing various statistical operations such as arithmetic mean, harmonic mean, geometric mean, standard deviation, variance, median, and range. - Trigonometric functions including sine, cosine, tangent, and their inverses, as well as hyperbolic functions and their inverses. - Date and time operations, including adding or subtracting durations to/from dates, calculating the duration between dates, and converting Unix timestamps - Timezone calculations like converting current time to a different time or a specific time in one timezone to another timezone - Converting durations like hourly to monthly or weekly to yearly etc. - Calculations involving number systems (decimal, binary, octal, hexadecimal) and binary operations (bitwise NOT, AND, OR, XOR, right shift, left shift). - Color conversions and calculations, including converting between color representations, mixing colors, and finding shades of a color.
JS Calculator
A versatile scientific calculator extension for Chrome powered by js libraries, inspired by Google Calculator & Cloudy Calculator. Unleash the power of advanced mathematics directly in your browser with JS Calculator! This versatile scientific calculator extension combines the robust numerical, matrix, and unit calculation capabilities of Math.js with the sophisticated symbolic computation engine of Nerdamer.js. Whether you're a student, engineer, scientist, or just need a powerful calculator on hand, JS Calc is designed for you. - Full Arithmetic Suite: Standard operators (+, -, *, /, ^, %), parentheses. - Numbers & Precision: Integers, decimals, scientific notation. Supports precise fractions with `fraction()`. - Complex Numbers: Seamlessly work with complex numbers (e.g., `(2+3i)^2`). - Matrices & Vectors: Create, manipulate, and perform operations like `det(A)`, `inv(M)`, `A*B`. - Extensive Unit Support: Calculate with diverse units (length, mass, time, energy, etc.) and convert effortlessly (e.g., `5 ft + 10 cm in meters`, `100 km/h to m/s`). - Rich Function Library: Trigonometric (`sin`, `cos`), logarithmic (`log`), exponential (`exp`), statistical (`mean`), probability (`factorial`), and many more. - Constants: Includes `pi`, `e`, `i`, and others. - Variable Assignment: Store results or values in variables (e.g., `x=5`, `rate=9.8`). - User-Defined Functions: Create reusable functions (e.g., `area(r) = pi*r^2`). - **Solve Equations:** - Single equations: `solve(x^2-4=0, x)` - Systems: `solveEquations([x+y=10, x-y=2], [x,y])` - Rearrange: `solveFor(E=m*c^2, m)` - **Calculus:** - Differentiation: `diff(sin(x^2), x)` - Integration (Indefinite & Definite): `integrate(exp(x), x)`, `defint(x^2, x, 0, 1)` - Limits: `limit(sin(x)/x, x, 0)` - Summation & Products: `sum(k, k, 1, n)` - **Algebra:** - Factoring: `factor(x^2-1)` - Expansion: `expand((a+b)^3)` - Partial Fractions: `partfrac(1/(x^2-1), x)` - GCD, LCM, Roots, Coefficients, Degree, Simplify, Complete the Square. - **Transforms:** - Laplace & Inverse Laplace: `laplace(exp(a*t), t, s)` - **Other Tools:** `isPrime()`, `numerator()`, `denominator()`. - Intuitive Interface: Clean layout, scrollable history, clear input. - Persistent State: Variables, user functions, and history are automatically saved. - **Interactive History:** - Click input to reuse. - Click result to insert. - Ctrl/Cmd+Click result to copy (with visual feedback!). - Command Navigation: Up/Down arrow keys for command recall. - Clear Function: Instantly reset the calculator. - Pop-out Window: Work in a separate, resizable window. - Customizable: Tailor fonts and pop-out dimensions via the Options page. - Helpful Documentation: Access comprehensive help directly. - Powerful & Versatile: Bridges simple calculators and complex CAS systems. - Convenient: Always accessible from your Chrome toolbar. - Offline Capable: Works entirely offline. - Open & Transparent: Built with well-regarded open-source libraries. Get ready to supercharge your mathematical tasks with JS Calc!
