Insert the calculation of expression to the text notes. Insert the expression into the notes. Insert the result of the calculation into the notes. Talking Calculator is inside. Expression Calculator is inside. Formula calculator is inside.

• 1: Make the text notes easily.
• 2: Insert the expression of calculation to the note directly.
• 3: Insert the result of calculation to the note directly. 
• 4: Independent talking calculator inside.
• 5: Independent expression calculator inside.
• 6: Independent formula calculator inside.
• 7: Talking calculator will talk the input of number and operator.
• 8: Expression calculator could accept the open bracket and the close bracket in the calculation.
• 9: Formula calculator could accept the parameter A,B,C and D. We could input the value for A,B,C,D from the another input field

• When we launch the app, five buttons will be displayed. Tap the top button: Account Notes button, the note list will be displayed
• At the bottom tool bar, tap the button 1+2 to open the talking calculator, tap the button (1+2)*3 to open the expression calculator, tap the button (A+B)*3 to open the formula calculator.

• Step 1: From the main view, tap the top button: account notes.
• Step 2: In the note list view, tap the bottom right button to add new note
• Step 3: In the single note view, input the text. 
• Step 4: In the single note view, tap the second bottom button (1+2)*3
• Step 5: In the expression calculator, input the expression, after finish calculation, tap the Done button.
• Step 6: The expression calculator will close, in the single note view, the expression will be inserted into the text note automatically.

• Step 1: From the main view, tap the forth button.
• Step 2: After the formula calculator appears, tap the formula expression by tapping the key board just below the text field. The formula could include the parameter, open bracket and close bracket,the expression could be (A+B)*C
• Step 3: Tap the text field beside A=, then input the value for A.
• Step 4: Tap the text field beside B=, then input the value for B.
• Step 5: Tap the text field beside C=, then input the value for C.
• Step 6: Tap the calculate button.

• Contact: Click the following link, open the contact form and fill the message.
• Before filling the contact form, you need to prepare the following items:
• Item 1: Your Official Name in English
• Item 2: Your Email Address
• Item 3: Subject in English
• Item 4: Contact Message in English
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•      Open the Contact Form