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Expressions types

The way this calculator works is based on mathematical expressions. Some of this expressions looks like this:

3+98(-52) 5x9+√(25) -109÷5! sin((()))

The last example It makes no sense and not display anything, this happen with all the expressions they are not well constructed. You can insert the last result in the current expression with the 'Ans' option on the menu.

To enter the numbers, and the point symbol, in keypad telephones the following table is the correspondence of the telephone keyboard with the calculator keyboard:

Phone Keypad	Calc Keypad
*	.
#	=
0	0
1	1
2	2
3	3
4	4
5	5
6	6
7	7
8	8
9	9

To enter the numbers, and the point symbol, in QWERTY telephones the following table is the correspondence of the telephone keyboard with the calculator keyboard:

Phone QWERTY	Calc Keypad
.	.
SPACE	=
0 or ,	0
1 or W	1
2 or E	2
3 or R	3
4 or S	4
5 or D	5
6 or F	6
7 or Z	7
8 or X	8
9 or C	9

To enter the mathematical operators, pressing the down key or the up key the selector will move changing color in the boxes between the mathematical operators DEL, ÷, x, -, + once you have selected the desired mathematical operator, press the Enter key to enter it on screen.

Remember you only can press = and show the result of the operation only when the Scientific panel is close.

Scientific panel

You can open the scientific panel press the left or the right key to close it press once again the left or the right key, also you still can open the panel in the menu option.

To enter the scientific operators, in Keypad telephones the following table is the correspondence of the telephone keyboard with the calculator scientific keyboard:

Phone Keypad	Scientific Keypad
1	sin
2	cos
3	tan
4	ln
5	log
6	x!
7	π
8	e
9	^
*	(
0	)
#	√

To enter the scientific operators, in QWERTY telephones the following table is the correspondence of the telephone keyboard with the calculator scientific keyboard:

Phone QWERTY	Scientific Keypad
1 or W	sin
2 or E	cos
3 or R	tan
4 or S	ln
5 or D	log
6 or F	x!
7 or Z	π
8 or X	e
9 or C	^
V	(
B	)
N	√

Features

This app, contains all the arithmetic operations and the most common and basic scientific operations. But some complex calculus like Gamma function X!=Gamma(x+1)... that is use for floats factorial are not yet implemented.

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