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Microsoft excel functions A function is an inbuilt formula. This command is used in ms excel to insert formulas for calculation or analysis. It also has a shortcut on the standard toolbar. A formula always starts with an equal sign is (=). This signs tells excel that the succeeding value comprises of a formula. Excel calculates a formula from the left to right according to a specific order from each operater. We have these functions categories in ms Excel: 1.Financial 2.Date and time 3.Mathematical 4.Stastiscal. 5.look up and reference 6.Database 7.Text 8.Logical 9.Information Procedure for inserting a function Click on insert. Click on function. Click OK. Choose the appropriate function from the dialog box. Click OK Indicate the range. Subcribe to this blog for more computer blogs https://trendingoncampu.blogspot.com/ Don't forget to share

Computer viruses A computer virus is a destructive program which attaches itself to other files and install itself without permission of the user on the computer when the files are opened for use. This is a self duplication process which interferes with valid programmes or data operating system These viruses cause undesirable effects in a computer system  for example abnormal computer behaviour Types of viruses 1.Trojan horse They appear to perform necessary functions but perform other undesirable activities in the background. 2.Worms They are viruses that stick to the computer memory 3.Backdoors They maybe either Trojan or worms that allow hidden access to a computer system  Subscribe to this https://trendingoncampu.blogspot.com/p/videos.html?m=1 for more updates Share with friends and follow me please