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How to solve simultaneous equations using bar models

Simultaneous equations are two linear equations that can be solved using bar models. By remembering that the same letter will always have the same value we can work out the missing values. To solve ...
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How to solve simple algebraic equations

An equation is a mathematical expression that contains an equals symbol. Equations often contain algebra. Algebra is used in Maths when we do not know the exact number in a calculation - this unknown ...

This Simple Excel Trick Makes Dynamic Filters Update Themselves in Seconds

Learn how DROP, REDUCE, LAMBDA, and STACK make Excel arrays update automatically, split text, and stack filtered results ...

8 Excel Features That Quickly Improve Your Work : Flash Fill, Paste Special & the Magic F4 Key

Learn Paste Special math, Flash Fill patterns, Go To Special filters, and the F4 shortcut to clean data fast and share Excel ...
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My 6 favorite Excel features that almost nobody talks about

This feature works best when the columns you want to visualize are adjacent to each other, so you may need to rearrange your ...