Sites and apps similar to Calcul.io include Microsoft Excel. It's paid, but SpeedCrunch and Google Sheets are free. Other options are Proton Sheets, Qalculate!, OpenCalc and CalcYou. Calculators like Calcul.io are a crowded field, with more than 50 alternatives for Android, Mac, Windows, iPhone and iPad.
RealCalc Scientific Calculator Android's #1 Scientific Calculator. A fully featured scientific calculator which looks and operates like the real thing. Looking for fractions? Degrees/minutes/seconds? Landscape mode? You need RealCalc Plus. See elsewhere on this page for the l.
United Kingdom
PCalc is the powerful choice for scientists, engineers, students, programmers, or indeed anybody looking for a feature rich calculator. It includes an optional RPN mode and multi-line display, a choice of button layouts, an extensive set of unit conversions and constants, a...
United Kingdom
Calcbot is a simple and beautifully designed calculator for your iPhone, iPod touch and iPad. You’ll never open the built-in Calculator app again.
United States
With Grapher, you can graph equations and data sets and visualize the results on your Mac in real time. Grapher displays algebraic relations, both implicit and explicit, in 2D and 3D. You can use a variety of coordinate systems and choose from a wide array of mathematical...
United States
Kalk is a convergent calculator application built with the Kirigami framework. Although it is mainly targeted for mobile Linux platforms, it can also be used on the desktop.
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Hissab is a simple and intuitive calculator, unit-convertor and productivity application.
Scientific calculator with arbitrary precision and portrait and landscape mode. Fraction and periodic numbers support. Looks like a real calculator! The calculator has up to 100 digits of significand and 9 digits of exponent.
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Numby transforms how you calculate. Express math naturally, convert units and currencies, track your work, and share results beautifully - all in one place.
Hong Kong SAR China
Hitomi opens CSV or data/logs in non-standard formats instantly and offers intuitive and powerful filtering and analysis options.
Introducing Best Loan Calculator, using methods trusted by financial professionals for years. It’s as easy to use as a regular calculator and helps with auto loans, mortgages, and other financing.
NumWorks designed an intuitive and evolutive graphing calculator to make learning maths easier.
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