1. The fundamental or starting value used as a reference point for calculations, comparisons, or further adjustments
The base value of the property was established before any renovations were made.
O valor base do imóvel foi estabelecido antes de qualquer renovação.
2. In mathematics and computing, the reference value from which other values are derived or calculated
The algorithm uses a base value of 100 to calculate percentage changes.
O algoritmo usa um valor base de 100 para calcular mudanças percentuais.
3. In commerce and taxation, the initial or original value before taxes, fees, or discounts are applied
The sales tax is calculated on the base value of the merchandise.
O imposto sobre vendas é calculado sobre o valor base da mercadoria.