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Mechanical engineers
Description: Perform engineering duties in planning and designing tools, engines, machines, and other mechanically functioning equipment. Oversee installation, operation, maintenance, and repair of such equipment as centralized heat, gas, water, and steam systems.
Source: Bureau of Labor Statistics, U.S. Department of Labor, Occupational Outlook Handbook, 2008-09 Edition at http://www.bls.gov/OCO/
Salary: $50,001 or more per year

Comments:

There are 56 math topics Mechanical engineers need to know.
Basic Math / Algebra
Fractions
Decimals
Ratio and Proportion
Percent
Customary Measurement
Metric Measurement
Measurement Conversion
Basic Probability
Basic Statistics
Statistical Graphing
Powers and Roots
Negative Numbers
Basic Problem Solving
First-Year Algebra
Using Formulas
Linear Equations
Operations with Polynomials
Factoring Polynomials
Rational Expressions
Coordinate Graphing 2D
Linear Systems
Algebraic Representation
Geometry
Basic Terminology
Angle Measurement
Congruent Triangles
Triangle Inequalities
Parallel Lines
Similarity
Pythagorean Theorem
Right Triangle Trigonometry
Circles
Area
Volume
Transformations
Make/Use 3D Drawings
Second-Year Algebra / Trigonometry
Functions
Variation
Logarithms
Coordinate Graphing 3D
Advanced Statistics
Conic Sections
Trigonometric/Circular Functions
Graphs of Trigonometric Functions
Trigonometric Identities
Trigonometric Equations/Inverses
Oblique Triangles
Polar Coordinates/Graphs
Other Topics
Calculus and Higher Math
Basic Calculator Use
Scientific Calculator Use
Computer Use
Computer Programming
Group Problem Solving
Mental Math
Inductive/Deductive Reasoning
Math Communications
Mathematical Modeling