MATH 0025 A – Non-STEM Base NCBO (3,1.5,1.5). The fourteen-week NCBO is paired with Foundations of Math 0023. Topics in mathematics such as arithmetic operations, basic algebraic concepts and notation, geometry, and real and complex number systems. Non-transferable and does not count toward a degree at Texarkana College. Students must take this course if their TSI scores are within the recommended range on TC’s TSI placement chart.