12 lessons: AVERAGE, COUNT vs COUNTA, MAX/MIN, MEDIAN, nested ROUND, IF, AND/OR, SUMIF, SUMIFS, exact match lookup, error codes, TRIM. AUTO-graded. · 12 lessons · progress saved right on your device.
Source: Sơn Sunny — original formulas, auto-graded · © Sơn Sunny — own course, own verifier