Scientific Calculator Plus

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# Description

CalcTastic Scientific Calculator Plus is a feature-rich calculator with years of refinement and exceptional user ratings. Choose from 12 different themes, a configurable display and your choice of operation, Algebraic or RPN.

CalcTastic includes two fully-independent modes: A Scientific Calculator with Fractions, Complex Numbers, Physical Constants, a Unit Converter, Advanced Statistics, History & Memory Registers and a full-online Help Section.

CalcTastic is also a full-featured Programmer's Calculator with a dedicated Binary Display, support for Signed & Unsigned Integers (from 8-64 bits) as well as separate History & Memory Registers (viewable in binary, octal, decimal or hex).

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GENERAL

- Algebraic, Sequential or RPN input methods

- Hybrid Prefix & Postfix Notation

- Expression or Stack Display

- Expression History with 20 records

- Calculator Stack with 50 registers

- Memory with 10 registers

- 12 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 and Polar form Complex Number support

- Real, Imaginary, Argument, Magnitude 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

PROGRAMMER

- Binary, Octal, Decimal and Hexadecimal display and conversions

- 100% support for all common integer-sizes (8, 16, 32 and 64 bit)

- Every integer-size is supported in both SIGNED and UNSIGNED modes

- Calculation History viewable in all four bases

- Cast from any integer-size to any integer-size

- Dedicated binary-bit display for all 64-bits

- Instant access to toggle any binary bit

- Bitwise logic operations AND, OR, XOR

- Bitwise shift operations (correctly differentiates between SIGNED and UNSIGNED right shifts)

- Roll Left and Right for quick number entry

- 1's and 2's complement. Native interpretation is 2's complement

- Byte and Word flipping

- Random Number Generator

CalcTastic includes two fully-independent modes: A Scientific Calculator with Fractions, Complex Numbers, Physical Constants, a Unit Converter, Advanced Statistics, History & Memory Registers and a full-online Help Section.

CalcTastic is also a full-featured Programmer's Calculator with a dedicated Binary Display, support for Signed & Unsigned Integers (from 8-64 bits) as well as separate History & Memory Registers (viewable in binary, octal, decimal or hex).

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

GENERAL

- Algebraic, Sequential or RPN input methods

- Hybrid Prefix & Postfix Notation

- Expression or Stack Display

- Expression History with 20 records

- Calculator Stack with 50 registers

- Memory with 10 registers

- 12 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 and Polar form Complex Number support

- Real, Imaginary, Argument, Magnitude 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

PROGRAMMER

- Binary, Octal, Decimal and Hexadecimal display and conversions

- 100% support for all common integer-sizes (8, 16, 32 and 64 bit)

- Every integer-size is supported in both SIGNED and UNSIGNED modes

- Calculation History viewable in all four bases

- Cast from any integer-size to any integer-size

- Dedicated binary-bit display for all 64-bits

- Instant access to toggle any binary bit

- Bitwise logic operations AND, OR, XOR

- Bitwise shift operations (correctly differentiates between SIGNED and UNSIGNED right shifts)

- Roll Left and Right for quick number entry

- 1's and 2's complement. Native interpretation is 2's complement

- Byte and Word flipping

- Random Number Generator

My review

Review from

# Reviews

4.8

166 total

5 141

4 20

3 4

2 1

1 0

Cristiano G.

Great app. But I really wish there was an option for showing hex, dec and bin at the same time on my phone. It has a 1080x1920 display after all. I can live with smaller digits and keyboard if necessary...

David Webb

This continues to be my favorite scientific calculator application. It is splendidly well designed. It's operation is very intuitive and easy. The more I use it, the more I appreciate how well designed it is. One of the hallmarks of a superior software application is that, over time, the user comes to appreciate it more and more.

Torben Brams

Best calculator I have seen so far - does everything I need and with a nice feel. Also have been missing RPN so much since I gave up on my old HP calculator many years ago - so easy to getting used to. And I can see that it has hundreds of features that I have not even touched upon yet - what a great tool ^_^

Atilla Yanik

Good stuff ! Works perfectly as designed,like a charm.Excellent UI+most elegant calc skins I have ever seen.Some suggestions:needs scientific function programming and graphing modes to be a full-featured calculator(matrix entry and linear-algebra features would be great).Also, onboard-installed help would be more convenient than the existing web-based.

Vic Kovacs

Handles complex math very nicely. Go ahead, take sqrt(-4). It nonchalantly comes up with 2i.

Terrence John

Love the UX and UI, combined with great functionality. Best scientific calculator on the Play Store. Favourite theme is Monokai.

User reviews

CalcTastic May 30, 2017

Thanks again for the great review and support!! CalcTastic May 7, 2017

Thanks for the great review and support! CalcTastic August 20, 2016

Atilla, thanks for the review and feedback! Yes, the stack-view can be used (with any input-method) for statistical analysis. Handles complex math very nicely. Go ahead, take sqrt(-4). It nonchalantly comes up with 2i.

CalcTastic May 27, 2017

Thanks for the great review and support! CalcTastic November 18, 2016

Thanks again Terrence! Congrats on the new phone. Full-featured and good-looking calculator that supports RPN! Programming calculator is really useful, as are stack viewing and statistics operations on the stack.

CalcTastic April 21, 2017

Thanks for the review and support! I use it in a daily basis at work. All the functions I need respond properly. No complaints, it just worth the money

CalcTastic April 15, 2017

Thanks for the great review and support! Works like an RPN software calculator ought to work. Sharp graphics and number font. Variety of themes included are attractive, too. I wish the stack display was depth=4, but no stars off for that. Excellent tool.

CalcTastic December 20, 2015

Thanks for the great feedback! The best RPN calculator in the Play store One of the very few RPN calculators in the Play store that faithfully implements a solid stack system. It's even better than the HP 50g in the Play store. Keep up the awesome work!

CalcTastic December 26, 2016

Thanks Eric! A great calculator, especially in RPN mode - the best of the store. It would be nice to be able to use a smaller font, but that's nitpicking.

CalcTastic April 1, 2017

Thanks for the feedback and review! Efficient rpn calculator with lots of cool functions, conversions and constants. I paid more for apps based on such calculators as hp15c and HP prime. I also own physical 15c's, 42's, a 48, a 35s and a prime. However, I use Scientific Calculator Plus the most by far. Thanks for making this excellent calculator.

CalcTastic March 3, 2017

Many thanks for the great review! Very convenient calculator app. Wish it was possible to edit a previous expression instead of entering it again.

CalcTastic March 3, 2017

Thanks for the support and feedback! CalcTastic January 6, 2017

Thanks again! Everything I was looking for... in a user interface. Customizable look, fine tuning of haptic feedback, and an easily scrollable history. I bought the upgrade not because I necessarily needed the features, but because I'm happy to support quality development. Thanks for a great app!

CalcTastic November 28, 2016

Thanks for the review and support! Great app! One litte thing: in algebraic mode, enter this: 1 + i = x 3 = The result is 3+3i (correct!) but the expression display shows 1 + i x 3 = instead of (1 + i) x 3 = Please fix! UPDATE: thanks for reply! The spacing diference is too hard to notice IMO, it is better to add (..) around the complex numbers when it is required by algebra.

CalcTastic November 28, 2016

Thanks for the review and feedback! There's actually a difference between those, check out the spacing around the "+". Excellent calc app. Recommended Excellent calculator app in terms of functionality and usability. As an electrical engineer, I use it almost every day. Just 2 places I would like to see improvement. 1) exp and pi are very commonly used keys for engineers. Would be better if they could be placed on the bottom row. 2) It would be nice if user would be able to move cursor in an active expression to change or correct its variables and operations. Thanks!

CalcTastic December 22, 2016

Thank you for the feedback and review! Great all-round calc! All in one app: basic view, scientific view, programmer view. Easy to use but still very powerful. There may be calcs with more fancy feature or more configuration options, but this one is an excellent all-rounder for daily use.

CalcTastic December 21, 2016

Thanks Andreas! Complex numbers! Great calculator that supports complex numbers and doesn't ask for unnecessary permissions!

CalcTastic December 25, 2016

Thanks for the great review! Best RPN calculator by far. I purchased this full version five minutes after using the free one. Excellent implementation of the kinds of unique features that a touch interface can bring to a calculator while still having a well-laid-out and responsive keyboard. Thanks! I'm very used to my HP 35s where the square root/squared key is the inverse of calctastic, x^2 is the shifted function. Some way of letting users customize their keyboard is probably much more complicated of a feature to set up than this non-programmer is aware of, though I'd get a lot of use out of it.

CalcTastic November 9, 2016

Thanks for the review and the feedback Colin! Best scientific calculator I've tested many and this is the best one! Not only full of functions but also most importantly user friendly! Just use the 'root' function and compare it with others you will know! After tested the free version I immediately bought this version. Plus it's only $0.99, way cheaper than the others.

CalcTastic October 24, 2016

Thanks for the support and review! Excellent calculator At least as good as the other RPN calculator apps I've tried, better than most, and the least expensive. Love the binary display in programmer mode. Would be helpful if mode could be switched by swiping left & right, and if all modes shared the same stack. Some AMOLED-friendly black and modern Material Design themes would also be nice.

CalcTastic May 29, 2016

Thanks for the review and feedback Damian. Easy conversions I got this originally as a programmer's calculator, but was pleased to find that it also does all sorts of unit conversions. Looks great on large screens. New basic mode makes this the only calculator I need. 👏

CalcTastic October 25, 2015

Thanks for the great review and feedback! Finally! I finally found a modern feeling rpn calculator! I've tried everything on the store, this is the best so far! The flat Monokai theme looks great. I'd recommend including more material style flat themes like that in the free version, or making it the default theme in the pro. The other themes with the gradients and drop shadows don't follow material guidelines.

CalcTastic June 8, 2016

Thanks for the review and feedback Ryan. Andoid s7 - calctastic Really great calculator. Works almost exactly as you expect with minimal key strokes. As mentioned by other reviewers I'd also vote for automatic data transfer from programmer to scientific mode as at least an option.

CalcTastic August 20, 2016

Keith, thanks for the review and feedback! Sadly, there's too many values that will lose significant-digits when converting between integers and floating points. I'd rather avoid the confusion, but I'll always keep an open mind for future releases. Slick product that you MUST have. I used the free standard CalcTastic product for a day. I was so impressed that I bought CalcTastic Plus the next day. I wanted to support the developer who did a great job, and responded promptly to the queries I posted. Thank you for a job well done.

CalcTastic August 30, 2016

Thanks for the great review Lingam! Excellent Scientific Calculator I wish you make another one as a Financial Calculator.

CalcTastic October 2, 2016

Thanks for the review and feedback Lee! CalcTastic June 15, 2016

Thanks! Excellent product, can you remove icons from top right to menu...

CalcTastic June 12, 2016

Dražen, thanks for the review and feedback. widget I'm still waiting for your widget option but it is completely

CalcTastic October 24, 2016

Thank you for the feedback Floran. CalcTastic July 19, 2016

Thanks! Supplanted RealCalc Used RealCalc for years, but needed 64-bit programmer's mode. Now I have a CalcTastic solution. Feature request: I generally disable screen rotation on my phone, but some features of CalcTastic are available only when screen rotation is enabled (e.g., bit toggle mode). Can you add a menu item (that appears only when screen rotation is locked) that toggles CalcTastic between landscape mode and portrait mode?

CalcTastic February 23, 2016

Thanks! Simple and comprehensive I have been using calctastic ever since i got an android phone. It is the best calc I've used on my device. I bought the plus just because I felt the people behind this deserve it for the excellent work.

CalcTastic April 7, 2016

Thanks again Apostolos! Been a RealCalc Plus user for a couple of years. I recently found CalcTastic Plus. Clearly the winner. As far as I can tell it's got all the functions of Realcalc and more including polar <-> rectangular conversion, a random number generator (which can output integer random numbers as well), and some rudimentary statistics which cleverly uses the registers in the stack as data storage . It also keeps a history not just of numerical results but also of the operations (extremely valuable when in RPN). And it's got a lot more unit conversions than RealCalc. What I'd like to see though is the "Eng SI " mode of Hiper Calc where results are displayed in m, k, M, G, T etc. Useful for, among other fields, electronics design. Moreover, an option to switch functions such as square root as primary instead of x-squared would be helpful for some users. And an "undo" function as in RealCalc would be much appreciated as well. Been scouring for a better RPN scientific calculator for Android and I can't find any thus far.

CalcTastic April 1, 2016

Thanks for the review and feedback! CalcTastic March 16, 2016

Thanks! The deeper stack and programming mode with the bit-selectable fields is more pleasant to use than an hp16c! This is my default calculator now.

CalcTastic December 20, 2015

Noah, thanks again for the review and all your feedback! CalcTastic October 25, 2015

Many thanks! Excellent Excellent. Updated version even better than previous. Added gamma fn and complex numbers.

CalcTastic May 6, 2015

Thanks again Eric! CalcTastic May 6, 2015

Thanks! CalcTastic May 6, 2015

Thanks! Review deleted

# What's New

Minor Bugfixes

# Additional information

Updated

May 29, 2017

Installs

1,000 - 5,000

Current Version

5.5.4

Requires Android

2.2 and up

Permissions

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CalcTastic

Developer