Malignant Tumors. A malignant tumor is a group of diseased cells defined by one of three characteristics: uncontrolled growth, invasion and damage of healthy cells, or metastasizing (spreading) to other organs of the body.They differ from benign tumors, which do not spread or affect other areas of the body. malignant tumor is a group of diseased cells defined by one of three characteristics: uncontrolled growth, invasion and damage of healthy cells, or metastasizing (spreading) to other organs of the body.
Excel Replace Function. The Excel Replace function is similar to the Excel Substitute Function. The Substitute function replaces one or more instances of a given text string. Basic Description. The Excel Replace function replaces all or part of a text string with another string.
This is far too broad a question to be answered fully. To see a list of all Excel functions just type the word 'function' into MS Excel Help and you will get a list of all of them. Basically a function is a device that does calculations behind the scenes and shows the result in a particular cell. Excel's DATEDIF Function If you regularly work with dates and times in Excel, then it is worth learning how some of Excel's date-related functions operate. 2  There are over 20 functions in this group, â¦. 3  How to Create a Spreadsheet in Excel A basic function of using Microsoft Excel is creating a spreadsheet.