Appendix A
Mathematics
A.1 Greek Alphabet
See Table A.1
A.2 Frequently Used Constants
π = 3.14159 ,
e = 2.71828 ,
√
2 = 1.41421 ,
√
3 = 1.73205 ,
√
5 = 2.23606 ,
√
e = 1.64872 ,
√ π = 1.77245 .
© The Author(s), under exclusive license to Springer Nature Switzerland AG 2021
A. Öchsner, Structural Mechanics with a Pen,
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