• Direct Scientific Calculator 1
  • Direct Scientific Calculator 2
  • Direct Scientific Calculator 3
  • Direct Scientific Calculator 4

Direct Scientific Calculator

Direct Calc offers for FREE all the stuff people usually need so much:
- simple yet functional interface
- predictable behavior
- calculation history
- large set of functions
- ability to create your own components (variables and functions)
- ability to save/restore calculation flow.
- ability to expand functionality by loading custom templates
- no Ads and no disturbing stuff, just tool for efficient work

Scientific Calculator computes math expressions of any difficulty, showing them in preview window as formatted together with result while typing new symbols.

Straightforward predictable behavior - what you see is what you get!

You can create your own Variables and Functions, and use them in further calculations. There are system (predefined) Constants as well.

Calculation Session can be saved in text document to be restored later. Document is compatible with Dysolve application.

Easy to use interface. Swipe DOWN on the calculator panel - and Calculation History appears, swipe RIGHT for Component Manager activity, swipe LEFT for Document Save/Load activity, swipe UP for app Settings activity.

Calculator is powered by Dysolve Math Solver engine, which has proved itself as a robust and efficient tool for solving wide range of math and engineering problems.

Two high-quality appearance themes: Native (dark) and Arctic (light).

On the worksheet you can:
- Compute mathematical expressions, using a wide range of standard and special math functions.
- Define Variables - constant or depending on other variables.
- Define Functions - with any number of arguments. Functions then can be plotted or used in calculations.
- Define piecewise-continuous Functions (when function has several continuous definitions on different intervals).
- Add single-line comments to create a comprehensive calculation report.
- Compute definite integrals.
- Compute Limits of a functions.

Category : Tools

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Reviews (9)

Ala. S. May 3, 2021     

Very annoying! If I do a calculation, and then try to square it, the subsequent "^2" appears at the BEGINNING of the input field, and I have to cursor all the way to the end.

A. G. u. Dec 28, 2018     

this app looks good on my phone, but on my 8 inches tablet the text button is way too small, and theres no option to make it larger, its difficult to see so Im uninstalling it from my tablet ๐Ÿ˜•

Eri. F. Oct 11, 2019     

Very handy and useful. Thanks for making it free/ad free! Needs statistical functions (avg, std Dev, nPr, nCr) to be really complete!

DOM. N. Dec 1, 2018     

Add in settings a function where the screen can stay on for a certain period of time like 10min etc for longer calculations

Chi. J. Jun 18, 2020     

Please, add percentage calculation, unit conversion, currency conversion and many more

Shu. C. Dec 21, 2019     

This app really deserves 5 stars!!!! Thanks for making this app permission free!!!!

Ami. Y. Nov 25, 2021     

5*s for integral buttons

Eri. K. Sep 27, 2019     

Not so good. Many better ones out there

เคถเฅเคฐ. เคถ. เคช. เคจ. เคญ. เค•. เคœ. เคน. เค•. Jun 3, 2019     

nice .. liked it