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SC3449 Datasheet(PDF) 5 Page - Silan Microelectronics Joint-stock |
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SC3449 Datasheet(HTML) 5 Page - Silan Microelectronics Joint-stock |
5 / 22 page SC3449 HANGZHOU SILAN MICROELECTRONICS CO.,LTD REV:1.1 2007.11.19 Http: www.silan.com.cn Page 5 of 23 Note: Ÿ Calculation mode directional symbol will show at the bottom of the display screen. Ÿ General computing (COMP), standard tolerance calculation (SD) and regression calculation (REG) can be used together with the angle unit mode. Ÿ You should check the actual calculation and angle mode to see whether they are according with the requirement every time before a calculation. 3. Input limit The storage area used to memorize the calculation program can memory 79 steps. When input the 73 rd step, the cursor will change from “_”to ” ”. This indicates the enacted storage capacity area is not enough. And if you need to input more things, please divide the calculation into two or more operation section. 4. Input error revising Ÿ Use or to move the cursor to the place where you want to revise. Ÿ Use DEL to remove the numbers or functions at the present cursor. Ÿ Press SHIFT INS and the cursor will flicker “[ ]”, that is to say it has already enters the inserting state. In this state, the input characters will insert the place where the present cursor is. Ÿ Press , , SHIFT INS or , the cursor will come back to the common state from the inserting state. 5. Recurrence function Ÿ Press or to show the last calculation in the display interface, and you can amend the content of the formulas to calculate over again. Ÿ The content of the recurrence memory won’tbe cleared if you press the key AC. So you can also make use of the last calculation result even you press the key AC. Ÿ It will clear the recurrence memory every time when to begin a new calculation to change the calculation state or shut off the power supply. 6. Error indicator When the calculation error appears, press or and the cursor will stay where the error is. 7. Exponent display method The calculator shows ten digits at most. When above ten digits, it will automatically use the exponent display method. For decimal fraction, you can choose one from the two methods to appoint when to use the exponential form. Press MODE MODE MODE 3 1 (or 2 ) to choose form NORM1or NORM2. Ÿ NORM1 When use NORM1, for the integer above 10 digits or the decimal fraction digits above 2, it will adopt the exponential form. Ÿ NORM2 When use NORM2, for the integer above 10 digits or the decimal fraction digits above 9, it will adopt the exponential form. Ÿ All the examples in the instruction use NORM1 to denote the calculation result. 8. Answer memory Every time you press the key after you input the numerical value or formulas, the calculation result will keep into the answer memory automatically. And press ANS to show the content in the answer memory. Ÿ The answer memory can memory mantissa of 12 digits and exponent of 2 digits. |
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