Tables

Calculators

Calculators

These interactive calculators are made with Microsoft Excel.  You will need this program to use & view them.  All calculators are for personal use only.  Copies can be made only with permission of authorspesser@swtc.edu or jwpluemer@swtc.edu

Please Sign our Guest Book by clicking on the graphic below:

 
As a "Thank You", you'll be given  access to some free application downloads.

General Applications Program-Specific  Math
Loan Calculator

Directions for using the Loan Calculator

Collection of Automotive Calculators

Featured calculators include:
Displacement, Bore, Stroke and Compression Ratio

Right Triangle Trigonometry Calculator

Use this interactive calculator to learn how to setup and solve right triangle trigonometry problems.

View some screenshots of the application.

Click on the graphic below to download this free file.

Students:
Pace Setter Utility

Directions:  Click on the Pace Setter link above, enter the beginning and ending dates of the semester and the number of major assignments you are required to do during the semester.  The Pace Setter program will compute suggested deadlines for each assignment so that you stay on-schedule.  You can enter up to 15 entries in Pace Setter.

Machine Tool:
Gage Block Calculator

Directions for using the Gage Block Calculator

Bolt Circle Calculator

Place Value Calculator

Practice converting decimal numbers to a word equivalent.

For example, typing:  54.3 would yield the result:  "fifty four and three tenths"

40th Anniversary
Open House

Various Calculators

Golf Course Management:
Greens Calculator

Compute Estimated Area of Golf Green and Estimated Volume of Fill

 

Convert Decimal to a Fraction (and Vice Versa)

This application not only converts fractions to decimal and vice versa but also give step by step interactive instructions on how it is accomplished.
Student Gradebooks:   New 10/2/07

These spreadsheets can be used by students to track their grades in almost any class whether your instructor uses total points or weighted average.  These gradebooks will allow you to track your progress in a number of ways. 

Total Points Gradebook
Weighted Average Gradebook

Instructor (Class Size) Versions:

Downloadable by request
jwpluemer@swtc.edu

Welding

Sheet Metal Optimizer

Given a rectangular sheet of metal, determine how many smaller rectangular pieces of metal may be cut from it. 

Depending on the stock size and the part size, the orientation of the parts to be cut has a bearing on the number whole pieces obtained from the stock.

Convert Decimal to a Specific Fractional Form

This application converts a decimal to a specific fraction equivalent (either 4ths, 8ths, 16ths, 32nds, & 64ths).  Interactive commentary is also provided to demonstrate the procedure.

    Rounding Calculator

Perfect your rounding skills by using this program.

    Percents Calculator

Four worksheets are included in this Excel file:  Percent Basics, Conversions, Percents Calculator, Percent Change Calculator.

Each features interactivity and feedback based on user input.

    Fractions Calculator

Learn how to setup & solve addition, subtraction, multiplication, and division problems involving fractions.

View some screenshots of the application.

Click on the graphic below to request this free file.

    Function Basics

Investigate the factors of vertical shift, horizontal shift, vertical stretch, horizontal stretch, and combine affects. 

    Graphing Trig Functions

Investigate how different factors affect the basic graph of y=sin(x).

Graphs in both degree and radian mode featured.

    Cartesian and Polar Coordinates

Convert cartesian coordinates to polar coordinates and vice-versa using this calculator. 

Interactive feedback shows the steps used to compute each component.

    Hero's Formula

User inputs the lengths of all three sides of a triangle.  The utility not only computes the area using Hero's Formula, but also computes the height of the triangle.

    Law of Sines & Cosines Calculator

Basic utility to determine the lengths and angles in a triangle.

    Right Triangle Trig Calculator

Basic Utility for Computing Angles or Lengths of a Right Triangle using sine, cosine, or tangent.

    Travel Time Calculator

Utility to demonstrate  how changes in speed during a commute, affect the time needed to complete the journey.

    Percents Tutorial

Prototype: Excel-based interactive tutorial for computing Taxed Owed, Discounts, and Consecutive Discounts.

     New Vector Addition Calculator 9/27/2007

This application will determine the sum of two vectors by displaying the magnitude and direction of the resultant vector.  A graph displays the two vectors and the resultant.

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