Thank you for watching this.
Calc touch is useful, it can modify expressions simply.
If you would like to remove expressions, you simply touch it and press 'C'(Clear) button.
Of course, another expressions are still there, so you don't have to reenter another expressions you don't want to remove.
If you would like to move expressions, you simply touch it and just move it to left or right.
It's very simple.
Calc touch can calculate 'Σ' ,'√'. It can operate in What You See is What You Get.
You can calculate 'Σ'. You just press 'Σ' button and specify upper number or lower number 'anytime'.
You can also calculate '√'.
You just press '√' button and specify a radical root anytime if you would like to. (it might be specified yet with default).
There are some click sounds and designed covers.
It's very simple and cool.
If you use it, you may not want to use any other calculators.
-- These are expressions that software can work. --
+, -, *, /, mod, ^, !, √, Log, Ln, Round, Abs, Tax, wo Tax, nPr, nCr, Σ,
sin, cos, tan, sinh, cosh, tanh, asin, acos, atan, asinh, acosh, atanh
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