How to Calculate a GPA by Hand?

Answer The grade-point average, or GPA, assigns each grade a numerical equivalent to create a number that represents how successful a student was in a group of classes. GPAs create a way to rank individua... Read More »

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How to Calculate IRR by Hand?

The internal rate of return (IRR) is used to evaluate how profitable a proposed project is when investigating options during capital budgeting decisions. When considering several projects for inves... Read More »

How to Calculate Combinations by Hand?

In mathematics, combinations are used to describe the number of possible outcomes given N options and R selections from those options. For example, if you had 10 fruits and you wanted to make a fru... Read More »

How to Calculate ANOVA by Hand?

After collecting data from two groups, researchers often use ANOVA (analysis of variance) to contrast differences between the groups. Before beginning the ANOVA calculations, you need to have the b... Read More »

How to Calculate Days Between Two Dates by Hand?

There are two methods by which you can calculate the number of days between two dates. The first is to simply count the days off on a calendar. The second method utilizes basic addition and subtrac... Read More »