scientific calculator

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# Description

The actual formula expression calculator.

A fully featured scientific calculator which looks and operates like the real thing.

It is made for General engineering and field use.

A fully featured scientific calculator which looks and operates like the real thing.

It is made for General engineering and field use.

**Everytime touch the answer, answer type is changed.(real-root-fraction)

Features.

1. The natural formula expression.

2.Display the results as square root if possible.

- Display root, fraction and real number : menu key -> Calculator setting -> Display result.

- Display real number only : menu key -> Calculator setting -> Display result.

3. Unit conversion.

4. Move the cursor by the touch.

5. Use and saving of functions and variables.

6. Fraction and mixed fraction feature.

-Long press the fraction button for mixed fractions.

7. The calculation results is expressed as a fraction.

-If the result can be expressed with a fraction, the results will be displayed as a fraction.

8. Equation mode.

- Long press of "=" button enters into Equation mode.

9.Differentiation function.

- Example: f'(3)(log t) f'(3)(sin(t)+cos(

10. The integral function.

- Legendre Gauss method is used.

11. The sum of the series (Sigma).

12. Function Sharing.

- The functions you have can be sent to others by using email, Bluetooth or other Apps.

13. Saving the received function to your calculator.

14. Saving function to PNG image file.

15. Text Color Selection of text.

16. Font size Selection (normal or large).

- menu key->'Setting'->'Font size'

17. Else

- Square root, Power and higher roots

- Exponent, logarithms (ln, log)

- Trigonometric functions - radians, degrees & gradients

- Hyperbolic functions sinh, cosh, tanh, ...

- Inverse functions of trigonometric functions

- Permutations (nPr) & Combinations (nCr)

My review

Review from

# Reviews

4.1

1,311 total

5 793

4 190

3 104

2 69

1 155

Rasheed Soomro

Color scheme should be slightly changed Secondary function of the keys should not be written in blue. Because with respect to background it appears very dim. It should be in yellow or any other bright color. This calculator is our need and it is unique at whole play store. I love it. Its automatic bracket system should be specially appreciated.

robert amoyan

One more please... Can you please add function wherein x or y is the one that is unknown..in other scientific calculators we input the whole equation followed by comma and the unknown variable..(e.g. x^2+2x+1=0,x) then press shift and solve botton respectively.. then the answer for the unknowns will be shown..but here i cant see shift and solve..if this functions are already in this version,kindly enlighten me and if not it would be a great addition to this app..thanks..

Hugo Alejandro Villanueva Diaz

Great Calculator! Great calculator, but it has an error it says 0^0=1, by the way is a good tool.

Andrew Petrov

Looks good but... I can't access the sigma(summation) function. Screenshots say it should be next to tangent button, but it's not there. Instead, there's the pi button.

User reviews

HP Hong August 2, 2015

Thank, it will be reflected on next version. HP Hong June 6, 2015

EX) f(3)(t^2+t)
Advanced panel - ‘f’()’ button - '3' - '>' - 't' button in title bar -Advanced panel - x² button - ‘+’ - 't' button in title bar - '='. Verry good calculator. The best i ever tested Yes, it is. However, how i wish calculus (diferentiation and intigration) and matrics calculation be included in this soft. The latest version state Differential and Integral had been added but both could not be found in the advance keyboards. Please developer please check. Thank you

HP Hong April 24, 2013

Touch and move left in the panel. Review deleted

# What's New

Parentheses are separated to left and right parentheses.

Several text colors are changed.

# Additional information

Updated

August 17, 2015

Size

3.1M

Installs

100,000 - 500,000

Current Version

7.20

Requires Android

2.3 and up

Permissions

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HP Hong

Developer

Email hhpyo01@gmail.com

Nakseongdaeyeok gil Gwanak-gu seoul korea
151-817