Advent of Code 2015 Day 20: Infinite Elves and Infinite Houses using Excel

Advent of Code 2017 Day 3.1: Spiral Memory Using Excel formula

Advent of Code 2017 Day 3: Spiral Memory Using Excel

Advent of Code 2017 Day 1: Inverse Captcha & Day 2: Corruption Checksum Using Excel

Advent of Code 2016 Day 25: Clock Signal using Excel

Advent of Code 2016 Day 24: Air Duct Spelunking using Excel

Advent of Code 2016 Day 23: Safe Cracking using Excel

Advent of Code 2023 Day 25: Snowverload Stoer-Wagne using Excel

Advent of Code 2023 Day 24: Never Tell Me The Odds

Advent of Code 2023 Day 23: A Long Walk

Advent of Code 2023 Day 22: Sand Slabs

Advent of Code 2023 Day 21: Step Counter

Advent of Code 2023 Day 20: Pulse Propagation