Home Screen
· You can recall the set calculation formula with one touch
· You can add calculation form with + button
· When you want to erase the calculation formula you can delete the calculation formula washing with the Remove button
Calculation screen
· Enter a number and touch the return button to advance to the next number input
· You can delete the number being entered with the back button and return to the previous input
· Calculate automatically when filling in all the values of calculation formulas
Screen for adding calculation formula
· You can enter the name of the formula
· You can select a space to input number and signs
· Combinations that do not hold as calculation form can not be entered
· If you add a sign at the end, you can continue to the next calculation