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

849 total

5 623

4 139

3 38

2 20

1 29

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.

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!!

Chandra Prayoga

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

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. :)

Fedon Kadifeli

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).

Robert Oakley

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.

User reviews

CalcTastic July 1, 2017

Thanks for the review and feedback! Summation is included in the stack statistics. CalcTastic June 10, 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. CalcTastic June 21, 2017

Thanks for the great review! CalcTastic June 25, 2017

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

CalcTastic June 6, 2017

Thanks again!! CalcTastic July 4, 2017

Thanks! In the Settings, turn the Haptic Feedback down to 0. CalcTastic July 17, 2017

Thanks! 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 July 23, 2017

Thanks for the great review! CalcTastic June 27, 2017

Thank you!! CalcTastic April 11, 2017

Thanks! CalcTastic June 15, 2017

Thanks for the great review! This is a really awesome calculator! I would like to suggest that please add features like matrix operations, dot product and cross product. That would be very much helpful..!

CalcTastic April 6, 2017

Thanks for the feedback and review! Great app It's simple and it works just like it should be I lost my calculator I couldn't find it anywhere Had to do a math homework and your app just saved my ass

CalcTastic April 29, 2017

Glad to help. Thanks for the great review! Near perfect design with enough of the necessary functions (especially the fractions) to feel like my old Casio x10.

CalcTastic April 3, 2017

Thank you for the review! I LIKE THIS CALCULATOR. IT OPENS FAST AND IS GREAT TO WORK WITH, WITH BIG KEYS TO WORK WITH. I HAVE TRIED OTHERS, BUT THIS IS THE BEST. GREAT FOR TRIG FUNCTIONS. OTHER CALCULATORS MAKE YOU HOLD DOWN THE THE CLEAR BUTTON, BUT THIS ONE CLEARS WITH ONE TOUCH. I LIKE THE CONVERT FEATURE. DID NOT EXPECT TO GET THAT TOO.

CalcTastic May 20, 2017

Thanks for the great review! Has a^b. And a√b. Good enough Replacing a graphing calculator which is more than I need. If u phone is big, keep both.

CalcTastic April 16, 2017

Thanks! Exelent and very impressive design . Thanks a lot to developers They provide such greate things in free of cost.

CalcTastic April 27, 2017

Thanks for the great review! Great application. Thanks to developer. All my phone/tablet have this app.

CalcTastic April 2, 2017

Thank you for the great review! I can't seem to do -log(). I just have to manually add them in the end.

CalcTastic May 27, 2017

Hey Ted, you can do this a few ways. -LOG(8) would be:
CLR, 8, LOG, -, =
CLR, LOG, 8, ), -, =
CLR, -1, ×, LOG, 8, =
-Sam Very good application as it allows you to establish a long and complex equation with easy featuring options

CalcTastic May 16, 2017

Thanks! This app is much and much better then others all type of functions is running I love this app ....

CalcTastic May 17, 2017

Thanks! CalcTastic May 11, 2017

Thanks. 5 stars if the equation in history can be brought up and edited.

CalcTastic April 23, 2017

Thanks for the feedback. Unobtrusive, functional and very nice. Also the converter function is very handy.

CalcTastic May 13, 2017

Thanks for the great review! CalcTastic May 22, 2017

Thanks!!! CalcTastic April 10, 2017

Thanks! CalcTastic May 18, 2017

Thanks! CalcTastic April 8, 2017

Thanks! CalcTastic April 6, 2017

Thanks! CalcTastic May 20, 2017

Thanks CalcTastic April 12, 2017

Thanks! CalcTastic April 15, 2017

Thank you! Great calc. Love the theme support but I don't like not being able to customize the font: a dot-matrix and a 7-segment fonts should be included. And for the sake of realism, you should replace the hamburger menu icon with a fake brand logo and get rid of the upper bar buttons as these shortcuts are included on the keypad. All in all, it weirdly reminds me of RealCalc (the overall look -especially the Retro theme- and settings menu are almost twins). Maybe I'll eventually upgrade

CalcTastic March 6, 2017

Thanks for the feedback and review! Blows most other Calc apps out of the water. Greatest feature is being able to see full expression and then having it in recent history afterwards. Replaced my default app that swapped the 0 and .decimal point key (note 5), who does that??! Thank God for this app, took me a while to find the right one

CalcTastic March 5, 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

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