To add a formula in Google Sheets, click the cell where you want the answer, then choose one of the hundreds of functions.

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The PMT function is an Excel Financial function that returns the periodic payment for an annuity. The formula for the PMT function is PMT(rate,nper,pv, [fv], [type]). The NPV function returns the net ...

The FIND function allows you to find a text string within another. It returns the position at which a character or string begins within another text string. The output of the above function will be 5, ...

Abstract: Nature-inspired metaheuristics have been extensively investigated to solve challenging optimization problems. Particle Swarm Optimization (PSO) is one of the most famous nature-inspired ...

Abstract: This study addresses the problem of attitude tracking and vibration suppression for 3D flexible spacecraft subject to external disturbances and input quantization, which are two critical ...