This document contains summaries of two exercises that use formulas and functions in a spreadsheet. The first exercise calculates the average, condition, and reward using PROMEDIO, CONDICION, and REGALO functions. The second exercise calculates three tiered discounts and total payment using SI, DESCUENTO, and PAGO TOTAL functions, and then calculates totals, maximum, minimum, and average of values using SUMA, MAX, MIN, and PROMEDIO functions.