Odds & Ends

Group I

1. Hints for Exams
2A. Exact Arithmetic
2B. Fractions Briefly
4.. Square Roots
5. Straight Lines
6. Problem Solving Methods
7. Trig and Complex No.
9. History of No.s
10. ln(x) and exp(x)
13. Rename the > Sign
14. Problems: Quadratics
15. Problems: Algebra Test
16. Problems: Linear Eqns I
17. Problems: Linear Eqns II
18. Problem Solving Hints
20. Independent Variables
21. Why Logic
22. Why Math
23. The 15 Times Table
24.  The  20 Times Table
25. Algebra Formulas
26. On Learning Maths
28. Navigation +Time
29 Quibble-What is Algebra
30. Logic in Maths
31. Real Number Operations
Learn More

Group II 

Constant Retirement Rate
Road Safety
3 Strikes Law in California.
Math HOW-TOs
9 Steps in Maths

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A Suggestion for Human Resources

Hiring for a  constant or accelerated retirement rate in for education and the public service as means to provide more flexibility in management and greater security to the last-in. Hiring for a  constant or accelerated retirement rate may allow hiring in ways that reflect changing demographic circumstances.

Constant Retirement Rate

Schools and colleges have had a habit of hiring young or  not hiring for a constant retirement rate.  That habit has led to a hiring freeze and an extreme competition for academic posts in the last three decades, 1970 onward.  That habit has led to a shortage of retirements in education due to the too rapid hiring of faculty from one age group. Soon there may be a rapid retirement of the latter age group and a shortage of replacements.  Education reform needs to be form and hire teachers and faculty for  the sake of a constant retirement rate and a better age distribution.  A constant retirement rate would allow for the rejuvenation of schools and colleges during steady-state periods of non-growth, give the last-in more security of employment during periods of contraction, as management in place of cutting employees  immediately, with or without compensation for years of service, can wait instead for the effect of a constant retirement rate (say 3 to 5% a year). 

Any public service that hires towards a constant or accelerated retirement rate will find itself rejuvenated continuously during periods of non-growth, or periods where retirements permit new hiring's, and will find itself in a situation where its most recent hires reflect the demographics of the population it serves. Not hiring for a constant retirement rate leads to situation where the demographic face of the old employees doe not change while that of the population does. 

Hiring towards to a constant or accelerated retirement rate was  not obvious goal in times of expansion or growth. But times have changed. Hiring towards a constant or accelerated retirement rate will have advantages and disadvantages to be considered in each field of activity.  Fire fighters, those not driving a desk or a truck,  need to be physically fit and thus young. 

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