Calculator!! has the following additional functionality
compared with most available calculators:

Shows the expression as you enter and keeps a history of your calculations. Swipe up on the screen to access the history log.

The left pane scrolls to reveal more functionality without a need to switch modes. The digits and most common operations are always visible and the less common operations can be revealed by scrolling the left half of the screen.

Capability of performing fraction manipulations and converting between
different formats (proper, improper, and mixed fractions) and seamless
integration of fraction, integer, and decimal manipulations.
 Capability of inputting degrees, minutes, and seconds for angles and
converting between degreesminutesseconds format and decimal format.
 Capability of calculating permutation, combination, Least Common Multiple
(LCM), and Greatest Common Divisor (GCD).
 Quadratic and system of two linear equations solver
 Rectangular to polar and polar to rectangular coordinate conversion
(extremely useful for phasor calculations for electrical engineers)
 Throws a set of dice (choice of 1 die to 4 dice)
 Backspace to delete last digit entered.
 Sinusoidal functions can be calculated for angles in units of degrees, radians,
or gradians.
 Showing the content of memory on MR button, as long as it fits.
Calculator!! is an ongoing project and we are working on more features and
functions to be added to every update of the app.
You are going to love the simplicity of the user interface and you will get
used to the extra functionality added to this product.
Please do not hesitate to contact us for any questions, comments, to report any
bugs, or to suggest additional functions you would like to see in the upcoming
updates.
Contact: calc@dogahe.com
Calculator!! Designed and Developed by
Behzad Dogahe
Graphic Designed by
Ali Mazloomzadeh
Calculator!! Manual: 