It is a calculator app that can calculate and enter while checking the calculation formula. Because the input and calculation formula remains in history, it is easy to modify and re-calculation. In addition to the four arithmetic operations, power, square root, calculations and basic function of the factorial it can be used.
As a feature not found in other calculator, you can assign any of the formula to the function button.
【how to use】
1. normal calculation
Enter the formula from the button will display the results and press the "=" button.
"BS" Delete the pre-cursor character in the button, ← → You can edit the formula by moving the cursor with the arrow.
When you press the "CLS" button to clear the calculation formula and the history of the input.
2. call of history
↑ ↓ call the history by the arrow, you can edit.
You can enter the previous calculation result to the cursor position in the "Ans" button.
3. assignment of function buttons
Press the "Edit" button, and press one of the F1 ~ F5, enter edit mode.
Enter the assignment you want the formula, "=" If you press the button or the "Edit" button, you will be assigned the editing is input to complete the function button expression.
For example, it is useful to assign such as "* 8%" as the calculation of consumption tax.
When you press the function button assignment, you can enter the input expression to the cursor position.
Once assigned will be saved even if you exit the app.
4. input from the software keyboard
By tapping the text box, the software keyboard is displayed.
By using the software keyboard, not in the button function can also be input.
Available function, sqrt, log10, log, exp, abs, round, ceil, floor, sin, cos, tan, asin, acos, it is atan.
Example) sin (Pi)