Scientific Calculator

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# Description

CalcTastic Scientific Calculator is a feature-rich scientific calculator with years of refinement and thousands of satisfied users. Choose from 5 different themes, a configurable display and your choice of operation, Algebraic or RPN.

CalcTastic Scientific Calculator is FREE but comes with many great features including a Unit Converter, Fractions, Complex Numbers, Advanced Statistics, History & Memory Registers and a full-online Help Section.

If you find CalcTastic Scientific Calculator useful, consider the PLUS version ($1 USD). The PLUS version also includes Polar-Form Complex Numbers, Landscape Support, 7 Additional Themes and a Full-Featured Programmers Calculator.

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GENERAL

- Algebraic, Sequential or RPN input methods

- Hybrid Prefix and Postfix notation.

- Expression or Stack Display

- Expression History with 20 records

- Calculator Stack with 50 registers

- Memory with 10 registers

- 5 high-quality themes

- Copy and Paste

- Configurable numeric display (decimal point and digit grouping)

- Intuitive long-click feature removes the need to press SHIFT

- Easier to use than an HP 11C / 15C

SCIENTIFIC

- Rectangular Form Complex Number Support

- Real, Imaginary, Magnitude, Argument and Conjugate functions

- Fractions and Fraction Calculations

- Convert Decimals to Fractions

- Degree, Minute, Second Support

- Standard, Scientific, Engineering and Fixed Decimal Notations

- Configurable Precision from 0 - 12 digits

- Table of 44 Physical Constants

- 289 different conversion units across 18 categories

- Trig functions in Degrees, Radians or Grads

- Hyperbolic Trig functions

- Natural and Base-10 Logarithms

- Percent and Delta Percentage

- Remainder, Absolute, Ceiling and Floor operations

STATISTICAL

- Factorial (not integer limited)

- Combinations and Permutations

- Random Number Generator

- 15 Single-Variable Statistics commands operate on all stack entries

- Quantity, Min, Max, Range, Sum, Median

- Arithmetic Mean, Geometric Mean, Mean Squared

- Sum Squared, Sum of Squares of Variance

- Sample Variance, Sample Standard Deviation

- Population Variance, Population Standard Deviation

CalcTastic Scientific Calculator is FREE but comes with many great features including a Unit Converter, Fractions, Complex Numbers, Advanced Statistics, History & Memory Registers and a full-online Help Section.

If you find CalcTastic Scientific Calculator useful, consider the PLUS version ($1 USD). The PLUS version also includes Polar-Form Complex Numbers, Landscape Support, 7 Additional Themes and a Full-Featured Programmers Calculator.

--------------

GENERAL

- Algebraic, Sequential or RPN input methods

- Hybrid Prefix and Postfix notation.

- Expression or Stack Display

- Expression History with 20 records

- Calculator Stack with 50 registers

- Memory with 10 registers

- 5 high-quality themes

- Copy and Paste

- Configurable numeric display (decimal point and digit grouping)

- Intuitive long-click feature removes the need to press SHIFT

- Easier to use than an HP 11C / 15C

SCIENTIFIC

- Rectangular Form Complex Number Support

- Real, Imaginary, Magnitude, Argument and Conjugate functions

- Fractions and Fraction Calculations

- Convert Decimals to Fractions

- Degree, Minute, Second Support

- Standard, Scientific, Engineering and Fixed Decimal Notations

- Configurable Precision from 0 - 12 digits

- Table of 44 Physical Constants

- 289 different conversion units across 18 categories

- Trig functions in Degrees, Radians or Grads

- Hyperbolic Trig functions

- Natural and Base-10 Logarithms

- Percent and Delta Percentage

- Remainder, Absolute, Ceiling and Floor operations

STATISTICAL

- Factorial (not integer limited)

- Combinations and Permutations

- Random Number Generator

- 15 Single-Variable Statistics commands operate on all stack entries

- Quantity, Min, Max, Range, Sum, Median

- Arithmetic Mean, Geometric Mean, Mean Squared

- Sum Squared, Sum of Squares of Variance

- Sample Variance, Sample Standard Deviation

- Population Variance, Population Standard Deviation

My review

Review from

# Reviews

4.5

929 total

5 682

4 143

3 46

2 22

1 36

mdiem

A lot better than the calc app pre-installed on my phone. It lacks some functions, like summation and sequence product, matrices, etc. - but it has so much more. Likes: fast, user-friendly, full screen, big buttons, everything is easy to find - including the units converter and list of constants. Being able to switch between basic and scientific easily, and all the different 'skins' are really nice. Dislike: doesn't seem to be a way to recall a previous expression for quick editing.

K CD

Great job! For me the best calculator out there. I needed the standard AES input of a scientific calculator, but with a simple basic mode, clean UI and clear outdoor legibility. And yours fitted the bill wonderfully. An option to display only the answer, without stacking or any other info. in large clear fonts would be perfect. Thank you.

Corey Colman

Needed a calculator real quick for a square root calculation. Not having done any algebra in years I was worried I would have issues with interface / order of operations, but everything was super intuitive. Thanks so much for making this!!

John Noble

Great calculator! Two suggestions: change its Google Play Store name to CalcTastic instead of the generic "Scientific Calculator", which is more a description; and change the SWAP key name to "X<>Y" with some stylized symbol for the "<>", because "swap" is somewhat ambiguous.

Manzoor Elahi

Fast performance, mimics real calculator while keeping the UI clean, has 20 or so long history that you can use. Cannot ask for better.

Clinton Wetherill

Thanks for being completely free and ad free. This came to my rescue during online tests and homework. I thought it worked great for the calculations I needed it for anyway. :)

User reviews

CalcTastic July 1, 2017

Thanks for the review and feedback! Summation is included in the stack statistics. CalcTastic September 8, 2017

Thanks for the great review and feedback! CalcTastic June 10, 2017

Thanks for the great review!!! CalcTastic September 13, 2017

Thanks for the great review and feedback! CalcTastic August 4, 2017

Thanks for the great review and feedback! CalcTastic June 21, 2017

Thanks for the great review! Can you tell us, the result of 6÷2*(2+1) . is 1 or 9? This app seems didnt know the math rule.

CalcTastic June 18, 2017

9 is the right answer based on what you wrote. 6/(2*(2+1)) would give you 1. Needed a good RPN calculator for my phone that has similar functionality as my HP-41CV back at the office. This app does the job and has a nice looking interface. Very responsive to button taps, with lots of features.

CalcTastic September 4, 2017

Thanks for the great review! It would be nicer if the exponential notation is displayed in a more conventional form. For example, instead of "6.022E23" it is better to have "6.022 × 10 23" (23 should be superscripted of course).

CalcTastic June 25, 2017

Thanks for the review and feedback! I installed it as it didn't have a basic calculator function I needed. It does have square root but its weird interface makes it hard to use.

CalcTastic June 7, 2017

So...what can I do better? It's great. Has everything I could ask for except graphing capabilities (unless it's just because I can't find them)

CalcTastic June 25, 2017

Thanks! Sorry, no graphing at this time. Overall a very good calculator to satisfy nearly all of your tabulation needs. It doesn't however convert distances to Smoots or area to barn units, so not a five star rating.

CalcTastic October 10, 2017

Steven,
Thanks for the review and feedback.
-Sam very useful, no ads, have a digid grouping, good interface, fast response from developer 👍

CalcTastic June 6, 2017

Thanks again!! Fantastic calculator, finally! I tried about 5, but none as practical as this one.

CalcTastic September 8, 2017

Thanks for the great review! CalcTastic September 30, 2017

Thanks!! I love it, to bad i cant use my phone durings tests so i still need a real caculator.

CalcTastic September 6, 2017

Thanks! Great calculator. Clean look, good functionality, lightweight. History stack is a very good feature. Text size might be on the small side for older eyes.

CalcTastic October 3, 2017

Thanks for the review and feedback! The realistic design of these calculators is sublime, which is why I've installed it for years. Deserves more downloads than many.

CalcTastic September 22, 2017

Thanks for the great review and rating!!! This is an amazing app, it's not only easy to use but also works fast

CalcTastic September 10, 2017

Thanks for the great review! Best app ever! Fast performance, totally adfree and user-friendly. Thanks, I love it!

CalcTastic August 16, 2017

Thanks for the great review! Its great to have a scientific calculator in your phone coz thats the only device that you have with you all the time

CalcTastic September 25, 2017

Thanks for the great review! CalcTastic July 4, 2017

Thanks! In the Settings, turn the Haptic Feedback down to 0. CalcTastic August 21, 2017

Thanks for the great review! The perfect one I just love it. It has almost complete function.

CalcTastic September 20, 2017

Thanks! CalcTastic July 17, 2017

Thanks! CalcTastic October 7, 2017

Thanks for the great review! CalcTastic September 3, 2017

Thanks for the great review! CalcTastic June 24, 2017

What did you find? Pretty good job whoever made this ... very interested in how you programmed it

CalcTastic July 19, 2017

Thanks! CalcTastic September 20, 2017

Love the comments! Thanks for the five stars! CalcTastic July 26, 2017

Hi Rebecca,
You can use CLR to clear. Or hold CLR to clear the history. Feel free to email me with any other questions.
-Sam CalcTastic July 23, 2017

Thanks for the great review! CalcTastic June 27, 2017

Thank you!! CalcTastic October 21, 2017

Thanks for the great review! CalcTastic September 23, 2017

Thanks! CalcTastic April 11, 2017

Thanks! CalcTastic August 8, 2017

Thanks for the great review! CalcTastic October 10, 2017

Thanks for the review and feedback! I don't have that ability yet, but it is one I hope to add in a future release.
-Sam CalcTastic June 15, 2017

Thanks for the great review! Review deleted

# What's New

Minor Bugfixes

# Additional information

Updated

May 29, 2017

Installs

100,000 - 500,000

Current Version

5.5.4

Requires Android

2.2 and up

Permissions

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CalcTastic

Developer