https://devzone.nordicsemi.com/f/nordic-q-a/119154/exercise-1-of-lesson-4-contains-some-redundant-codehttps://github.com/NordicDeveloperAcademy/ncs-fund/blob/main/v2.9.0-v2.7.0/l4/l4_e1_sol/src/main.c The current logic uses i and j to calculate factorial. for (i = 1; i &lt;= MAX_NUMBER_FACT; i++) { factorial = 1; for (j = 1; j &lt;= i; j++) { factorialen-USTelligent Community 13Fri, 21 Feb 2025 12:19:39 GMThttps://devzone.nordicsemi.com/thread/524073?ContentTypeID=1Fri, 21 Feb 2025 12:19:39 GMT137ad170-7792-4731-bb38-c0d22fbe4515:805b1bf0-fef8-4fc1-98f2-61ec89f7b286Rick Cai<p>Thanks for the info.</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/524064?ContentTypeID=1Fri, 21 Feb 2025 11:26:12 GMT137ad170-7792-4731-bb38-c0d22fbe4515:fef9657b-8bfd-4a11-acf1-fe0de9f94aadtesc<p>Hi,</p> <p>We have now updated both the course and the code solution.</p> <p>Regards,<br />Terje</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/523936?ContentTypeID=1Thu, 20 Feb 2025 14:57:24 GMT137ad170-7792-4731-bb38-c0d22fbe4515:cc00c18e-7b25-4d47-a9c5-d2fa59dab658tesc<p>Hi,</p> <p>You are of course correct. The code could be shortened the way you describe, since the variable j is not really needed. Thank you for bringing this to our attention.</p> <p>Regards,<br />Terje</p><div style="clear:both;"></div>