Based on the provided reference, blue ink pens are suggested to be better for studying and memorization for students.
The reference suggests a differentiation between blue and black ink. While black ink is more suitable for professional documents or official forms, blue ink is presented as the preferred choice for students engaging in study and memorization.
Therefore, according to the provided limited context, a blue ink pen is the better choice for remembering. However, it's important to note that the effect of ink color on memory could vary from person to person and may not be universally applicable. More scientific research would be needed to definitively conclude that a particular ink color enhances memorization.
