Success as an anatomic bloom and assurance able doesn’t crave a amount in mathematics, but it does address alive ability of an all-encompassing and growing anatomy of equations and algebraic models. Algebraic demands in the assurance and bloom profession ambit from simple acknowledgment calculations and conversions to added circuitous engineering architecture and acknowledgment clay equations.
Fortunately, able accoutrement are accessible to abridge our calculations: abridged calculators, computer spreadsheets and mathematics software. We’ll appraise the capabilities of these accoutrement by applying them to clay an acknowledgment to acetone abasement from a baby acetone discharge in a room, bold well-mixed air.
The accurate abridged calculator – small, portable, and acutely able – charcoal the algebraic apparatus of best for best assurance and bloom professionals. Unfortunately, abounding professionals still use their calculators the ancient way: problems are set up appliance pencil and paper, with the calculator relegated to the final keyboard calculation. It doesn’t accept to be this way. With the appropriate calculator, you can put pencil and cardboard abreast and use the calculator to both set up the blueprint and accomplish the final calculation.
Hewlett-Packard’s HP-48G (www.hp.com/calculators/) calculator couples a visually ambrosial Blueprint editor with a able Break function, authoritative it my admired algebraic tool. Setting up an blueprint is a breeze with the Blueprint editor. Simply access the blueprint absolutely as it appears in book and save it to the calculator’s memory.
The HP 48’s able Break action eliminates the charge to apprentice calculator programming. The Break action takes an blueprint and creates an access awning for the equation’s variables. Simply access the ethics for the accepted variables, and the calculator automatically solves the blueprint for the actual unknown. No muss, no fuss, no programming.</>
Since the HP48 shares variables aural a directory, it is accessible to set up a agenda of accompanying equations so that the variables affected by one blueprint are accessible for use by added equations aural the directory. For example, the time affected back acetone levels ability their best air absorption can be acclimated by the clay blueprint to account the best concentration.
The HP48 is abounding with abundant features, including able statistics, allegorical algebra, calculus, assemblage about-face and acute functions. With 148 altered units in 16 altered categories, OHS professionals will acquisition the HP48’s Units action basal for converting cubic anxiety to cubic meters, feet/sec. to meters/sec. or inches of baptize to pounds/in2.
Thanks to abundant user support, the HP 48 has addition address to geeks like me: it can be cloned to run on Windows, Windows CE, and Macintosh computers. The all-important chargeless software is accessible at the hpcalc.org web site’s (http://hpcalc.org) HP Calculator Emulators folio (http://hpcalc.org/pc/emulators/).
Found on computers ample and small, computer spreadsheets accept become a accepted apparatus for accepted botheration analytic on claimed computers. Spreadsheets are a accepted best for OHS mathematics.
Frankly, I don’t like appliance spreadsheets for accepted algebraic work. Spreadsheets crave accurate planning and logistical work. Separate equations charge be accustomed for anniversary capricious to be solved, accepted variables charge be assigned to specific beef in the spreadsheet and the band-aid equations programmed into the spreadsheet, appliance cabalistic corpuscle references.
Don’t get me wrong. Spreadsheets can do acutely able algebraic and present after-effects in an adorable manner. It’s aloof that it takes a lot of assignment to get there. There charge be an easier way.
Mathcad 8 (Mathsoft, Inc., blast (617)577-1017, www.mathsoft.com) eliminates the logistical headaches of spreadsheet mathematics. Mathcad is a alive alternate algebraic apparatus that lets the user instantly break circuitous abstruse problems, appliance accepted algebraic notation. Like the HP48, equations are entered into Mathcad aloof as they arise in print. But Mathcad goes above the HP48, demography abounding advantage of the ability of desktop accretion to accommodate easier blueprint entry, a beyond assignment area, chat processing capabilities, and abundant faster equation-solving.
Setting up our simple discharge archetypal appliance Mathcad was about a atomic assignment (Figure 3). The equations were entered bound from the keyboard and the model, its appliance and limitations and variables acutely declared appliance Mathcad’s chat processing capabilities. The blueprint was a assert to actualize with a few clicks of the mouse.
Mathcad 8 provides a complete ambit of algebraic tools, including allegorical algebra, calculus, vectors, matrices, statistics, Boolean algebra, and assemblage conversions. Despite the complication of the algebraic that it manages, Mathcad is accessible to apprentice and use. Mathcad comes with an accomplished alternate Resource Center that bound brings the new user up to acceleration and provides a accessible analysis for the accomplished user. The Resource Center additionally includes all-encompassing advertence tables, links to a Web-based library of Mathcad abstracts and an online Mathcad Collaboratory altercation group.
Mathcad 8 Professional, priced at $500, includes custom programming support, added avant-garde functions, certificate administration support, and added “quicksheets” accoutrement a ample ambit of disciplines, and added avant-garde features. Best anatomic bloom and assurance professionals will acquisition Mathcad 8 Accepted copy fills their needs at a added bashful $99.95 price. A chargeless Mathcad Explorer which lets you apprehend and collaborate with Mathcad-based worksheets and cyberbanking books is accessible at the Mathsoft Web armpit (www.mathsoft. com/mathcad/explorer/).
How to Comply with Federal Agent Laws
Operating a business is a challenge, abnormally back confronted with managing acquiescence with federal and accompaniment application regulations. While it won’t advice with accompaniment application regulations, How To Comply With Federal Agent Laws, by Sheldon I. London, provides the advice you charge to break on the appropriate ancillary of the law.
How To Comply contains apparent English explanations of every cogent federal agent law, including the Family and Medical Leave Act, Bloom Insurance Portability, OSHA, Fair Activity Standards Act, and Equal Opportunity and Anti-Bias Laws. Helpful checklists, examples, tables, archive and frequently asked questions advice break the complexities of federal activity laws. The book includes a account lath affiche absolute the bristles federally allowable notices appropriate in best workplaces.
This well-written guidebook comes in both book and CD-ROM versions. The CD-ROM adaptation contains the complete argument of the printed adaptation in Folio View format. Folio View provides a solid set of chase tools, cyberbanking bookmarks, cyberbanking highlighting, and hyperlink browsing.
Copies of both the book and CD-ROM versions are accessible for $119 from the publisher, Vizia Enterprises LLC, Rochester, N.Y. Vizia may be contacted by blast at (716)328-8189, email at [email protected], or on the World Wide Web at www.viziaenterprises.com.
Contributing Editor Michael Blotzer, MS, CIH, CSP, columnist of “Internet User’s Guide for Assurance and Bloom Professionals,” is an anatomic hygiene and assurance professional, writer, and computer enthusiast who brakes for animals on the advice superhighway. Mike can be accomplished by mail addressed to Anatomic Hazards, by fax at (216)899-1581 or by cyberbanking mail at [email protected]. Visit Mike’s World Wide Web folio at http://ourworld.compuserve.com/homepages/MBlotzer.
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