Related Clues:
- German math whiz
- Mathematician seen on a Swiss 10-franc note
- Discoverer of the law of quadratic reciprocity
- Mathematician who introduced the function symbol f(x)
- See 88-Across
- Originator of the equation e to the power (pi * i) + 1 = 0
- 'Institutiones Calculi Integralis' writer
- Eponymous mathematician Karl
- Swiss calculus pioneer
- Introducer of the math symbol 'e'
- Swiss math giant
- Swiss math great
- He introduced the symbol 'e' for natural logs
- Great Swiss mathematician
- Calculus innovator Leonhard