# Free42 Alternatives

Free42 is described as ', an HP-42S calculator simulator' and is a Calculator in the Development category. There are eight alternatives to Free42 for a variety of platforms, including Android, Mac, Windows, Online / Web-based and iPhone. The best alternative is RealCalc Scientific Calculator, which is free. Other great apps like Free42 are Scientific Calculator 300 Plus (Free), Scalar Scientific Calculator, Charts & Scripts (Freemium), eCalc Scientific Calculator (Paid) and Calculate (Free).

- RealCalc Scientific Calculator Android's #1 Scientific Calculator. A fully featured scientific calculator which looks and operates like the real thing.
- Scientific calculator 300 plus, 991 is the calculator for students and engineering student. Calculator 991 plus provides powerful functions in a real calculator 991 300 . It makes advanced calculator 991 become the most useful calculator for university and school.
- Scalar is a powerful math engine and scripting language, that combines the simplicity of standard tools with the flexibility of scripting. It is much more than a calculator. Thanks to Scalar, defining arguments and functions has never been easier.
- An easy to use scientific calculator with many advanced features to help you solve algebra, trigonometry, and engineering math problems. The calculator comes with six attractive color schemes and a side bar that slides open for additional functionality.
- A math expression calculator with persistent memory for variables and functions. Any JavaScript expression can be evaluated. - Click the C button to clear the output window. - Click the M button to view the list of all constants, variables, and functions.
- worksheets or practice exercises, calculators & answer sheets to engage the grade school students to learn, practice, test & verify the answers themselves to measure the progress of their own
- Solve is a calculator like no other! Solve solves expressions as you type and features an innovative memory system to store and recall answers. Simply touch the answer to store it and touch the stored answer to use it in an expression.
- Omega Calculator is an intuitive and powerful calculator that can be used for any mathematical computation you need to perform. I built this calculator to be different. It's beautiful, free, and has no ads: the VERY BEST calculator I have EVER used.