Percentage calculations are no problem anymore. For this, only 2 of 3 variables must be entered. All calculations are stored in the history. The final solution can be shared. [ Content ] - the variables must be entered - calculation with the rule of proportion - history function that saves input - detailed solution - the entering of fractions and decimals is supported - constants can be entered - option to remove ads [ Usage ] - there are 3 fields for entering the values using a modified keyboard - if you have entered wrong values or values are missing, the text fields are highlighted - you can switch between the solution, input view and history by swiping and / or touching the buttons - the entries in the history can be deleted or sorted manually - if you select an entry in the history, it will be loaded automatically for the calculation - the entire history can be deleted by pressing a key
