| Name | Symbol | Value |
| Euler's constant | g | 0.577215664901532... |
| golden ratio | f | 1.618033988749894... |
| natural log base | e | 2.718281828459045... |
| pi | p | 3.14159265358979323846264... |
| Name | Symbol | Value |
| Euler's constant | g | 0.577215664901532... |
| golden ratio | f | 1.618033988749894... |
| natural log base | e | 2.718281828459045... |
| pi | p | 3.14159265358979323846264... |

Guide for those interested in becoming a mechanical engineer. Includes qualifications, pay, and job duties.
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Guide for high quality and cost-effective plastic injection molding.
Optimize your designs, reduce machining time, and lower your costs.