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KNEC opens online training for senior school teachers on CBA, shares steps to access portal

KNEC launched an online training portal for senior school teachers on competency-based assessment (CBA) and shared eight ...

Learn What GROUPBY Can Really Do in Excel : From Smart Sorting to Percent of Totals

Learn how GROUPBY passes both subset and full arrays into LAMBDA in Excel, letting you compute percent shares fast and explain results clearly.