Plus42 is described as 'Advanced scientific programmable calculator, based on Free42. Free42, in turn, complete re-implementation of the HP-42S scientific programmable RPN calculator, which was made from 1988 until 1995 by Hewlett-Packard' and is a Calculator in the education & reference category. There are more than 25 alternatives to Plus42 for a variety of platforms, including Windows, Android, Mac, Linux and Web-based apps. The best Plus42 alternative is SpeedCrunch, which is both free and Open Source. Other great apps like Plus42 are Qalculate!, fxSolver, Numbat and Numi.
ESBCalc is a Freeware Scientific Calculator for Windows with Infix Notation, Brackets, Scientific Functions (Trigonometric, Hyperbolic, Logarithmic - including Base 10, Base 2 & Natural - plus more), Memory, Paper Trail, Result History List and more.
Omni Calculator is a web/mobile calculator that solves concrete problems such as mortgage payment, gross margin, body mass index, break-even point, etc. It's very user-friendly, flexible and usable on web, mobile and as an embeddable web widget.
TTCalc is an open source bignum mathematical calculator. It features arithmetical functions, trigonometric functions, inverse trigonometric functions, hyperbolic functions, inverse hyperbolic functions, logical operators, logarithms, functions for converting between degrees and...
Frink is a practical calculating tool and programming language designed to make physical calculations simple, to help ensure that answers come out right, and to make a tool that's really useful in the real world.
Multi Sum Calculator is a portable tool that calculates the sum of multiple values!
Power calculator for Android. Has Calculus, Algebra, 2D/3D Graphing and other features.
With AYBO you can perform any kind of calculations, unit conversions, currency conversions, check the weather, set timers, plot graphs, solve simple equations.
Multi Share Calculator is a portable tool that allows anything to be shared proportionally!
Chalk is a calculator that tries to do right what others do wrong. It wants to prove that a "basic" software calculator can be as handy as a real desktop calculator.
Rule of 3 Calculator is a portable tool that allows you to apply the mathematical Rule of Three in an easier, faster and more practical way!
Real Time Calculator is a practical browser calculator that outputs results in real time!
Calculator is a simple 4 function calculator, with a panel that has more advanced functions when you need them. It includes history, real time graphing, base conversion, and more. It also comes with a lockscreen widget, a floating calculator, and a wear app so you can use...
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