It is an easy-to-use calculator that always displays the value of
memory. Also, the calculation formula is displayed, so you can check the
input contents. The calculation result can be registered in the database,
sent by e-mail, entered in a notepad. can.

1. The calculator can calculate addition, subtraction, multiplication,
division, square root, exponentiation, reciprocal, pi, tax and tax. The
calculation results can be recorded in memory and used. Since the memory
value is always displayed, there is no need to read it and confirm it.
In addition, the entered value and calculation formula are displayed so
that you can calculate while checking.
The calculation result, calculation formula, and calculation date and
time can be registered in the database so that they can be used later.
It is easy to understand if you give a name when registering the
database. In addition, if you click on [□↑], you can immediately send
the calculation result, calculation formula, calculation date and time
by e-mail or write it in a memo pad.

2.Set the tax rate and key touch sound. Touch sounds can be selected
from none, animal or bird calls. Touch [setting] to register in the
database.

3. The registration list is a list of names, results ​​(calculation
results), formulas (calculation formulas), dates (calculation dates and
times) registered in the database. You can sort by name, result, date in
ascending or descending order.
Touch the name or value and then touch [display] to display the value
on the calculator display. Touch [memory] to store the value in the
calculator memory.
By touching [□↑], you can send the name, calculation result, calculation
formula, calculation date and time by e-mail, or enter it in a memo pad.

4. How to use is the explanation of the button of the application. Touch
the button to display the explanation.