Control Spreadsheet Log For Free

LOG: The LOG function allows you to calculate logarithms with any base. The syntax is =LOG(number, [base]), where number is the positive numeric value and base is the base of the logarithm. If the base is omitted, it defaults to base 10. LN: The LN function calculates the natural logarithm (base e) of a given number.

Protect an Excel file Select File > Info. Select the Protect Workbook box and choose Encrypt with Password. Enter a password in the Password box, and then select OK. Confirm the password in the Reenter Password box, and then select OK.

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Right-click the sheet tab you want to hide, or any visible sheet if you want to unhide sheets. On the menu that appears, do one of the following: To hide the sheet, select Hide. To unhide hidden sheets, select them in the Unhide dialog that appears, and then select OK.

Setting a password to open or modify a file: You specify a password to open or modify a file. Use this option when you need to give Read-only or edit access to different users. For more information, see Protect an Excel file.

Click the Advanced tab. Under Track changes, click Keep change history for and, in the days box, type the number of days of change history that you want to keep. By default, Excel keeps the change history for 30 days and permanently erases any change history that is older than this number of days.

To create a log-log chart in Excel: Select the data that you want to plot. Click the Insert tab, and then click Scatter. Click Scatter with only Markers. Click OK. Right-click the x-axis, and then click Format Axis. Under Axis Type, click Logarithmic scale. Click OK. Right-click the y-axis, and then click Format Axis.

Require a password to open or modify a workbook Open the sheet or workbook that you want to protect. On the Review tab, click Protect Sheet or Protect Workbook. In the Password box, type a password, and in the Verify box, type the password again. Choose any other protection options you want and click OK. Click Save.