The UtilMat app provides all the functionalities of any calculator available on the market. Performs standard and scientific calculations.  It includes a view of the calculations performed
 and at the same time it works as an endless memory in which you can select both numbers entered, and the results obtained. Additionally, it can perform interpolations as well as simple three rule, direct and inverse. The formulas used remain displayed on the
 screen for reference. 

 Functions

·      Basic calculation
 buttons

·      Scientific calculation buttons

·     
 Set the thousands separator with a single button

·      Set the decimals quantities to be displayed on the calculator

·      Normal percentages functions as well as adding and deducting percentages

·     
 Button to erase only one digit: slide the result screen or use the back button

·      Standard calculator type screen

·      Calculation screen to visualize operations carried out and formulas used in cases of interpolation and simple three rule.

·     
 Keyboard sound activation available. 

LIST OF MATHEMATICAL OPERATIONS

·      Addition, subtraction, division, multiplication

·      Percentages:

       Number  x  Number
 of the percentage % =results

       Number  +  Number of the percentage % = number increased in the percentage       

 Number  -  Number of the percentage % = number deducted in the percentage

·      Nth exponent and nth root

·      Power of e, power of ten

·      Neperian and decimal logarith

·      Inverse and
 factorial function

·      Rule of three – Direct

·     Rule
 of trhee – Inverse

·     Interpolation