Amazon.com description: Product Description: Appropriate for a two-semester course of beginning and intermediate algebra. By requiring the use of the graphing calculator, this text joins a leading trend in the developmental math market. The authors' state their view on their use of technology as, "We use the graphing technology to enhance, not to replace, the students' mathematical skills." Elementary and Intermediate Algebra: Graphs and Models covers both elementary and intermediate algebra without the repetition of instruction necessary in two separate texts. Geared toward helping students learn and apply mathematics by incorporating the hallmark Bittinger Five-Step problem-solving process, this text integrates real world applications with proven pedagogy and an accessible writing style. This text will be graphing calculator required but still has a strong balance of skill and drill algebra.