Godman-additional-mathematics-for-west-africa-pdf.pdf -

Kofi’s eyes widened. He pulled out his phone and opened the PDF. At the bottom of the first page, a new line had appeared:

The Godman knelt beside him. “First principles is not a spell, Kofi. It is a journey. We take a point… and we move it a tiny distance. Call that h.”

Friday came. Madam Ama handed out the test. Kofi’s hands did not shake. He wrote lim and h→0 as if greeting an old friend. When he finished, he looked up. Madam Ama was watching him with raised eyebrows.