A model is a simplified representation of something, always containing simplifying assumptions. The word "model" originates from Latin "modellus" meaning "small measure". In 15th century, a model was a small wooden work of a building
Ratio compares two or more numbers by division. Antecedent is the number being divided, consequent is the dividing number. Ratios can be Part-to-Part (two quantities) or Part-to-Whole (total)
Calculator determines minterms and maxterms from truth tables of Boolean expressions. Tool is free to use and available on dCode platform. Results can be exported as .csv or .txt files
Fractions represent parts of a whole with numerator and denominator. Denominator cannot be zero as it makes fraction undefined. Example: 38 has numerator 3 and denominator 8