Difference Equations to Differential Equations
An Introduction to Calculus
By Dan Sloughter, Furman University
Chapter 1: Sequences, limits, and difference equations
Java applet: Area of a circle
Java applet: Tangent line for a parabola
Nonlinear difference equations
Chapter 2: Functions and their properties
Java applet: Square wave approximation
Java applet: Sound wave approximation
Limits and the notion of continuity
Some consequences of continuity
Chapter 3: Best affine approximations
Java appplet: Affine approximations
Best affine approximations, derivatives, and rates of change
Differentiation of polynomials and rational functions
Differentiation of compositions of functions
Differentiation of trigonometric functions
Java applet: Newton’s method
Rolle’s Theorem and the Mean Value Theorem
Finding maximum and minimum values
Chapter 4: Integration
Numerical approximations of definite integrals
Java applet: Numerical integration rules
The fundamental theorem of calculus
Java applet: Cumulative area
Java applet: Change of variable
More techniques of integration
Distance, position, and the length of curves
Chapter 5: Polynomial approximations and Taylor series
Java applet: Taylor polynomials
Infinite series: the comparison test
Infinite series: the ratio test
Infinite series: absolute convergence
Chapter 6: More transcendental functions
The natural logarithm function
Integration of rational functions
Inverse trigonometric functions
Chapter 7: The complex plane
The algebra of complex numbers
The calculus of complex functions
Complex-valued functions: motion in the plane
Java applet: Projectile motion
Chapter 8: Differential equations
Numerical solutions of differential equations
Java applet: Euler’s method
First order linear differential equations
Second order linear differential equations
Applications: pendulums and mass-spring systems
The geometry of solutions: the phase plane
Java applet: Phase plane for a pendulum
Answers for selected problems are available here.
A concatenated version (single download) is available here. The file is approximately 3.1 MB.
Send e-mail to Dan Sloughter to report any errors.
Copyright © 1997, 2000 by Dan Sloughter
This work is licensed under a Creative Commons License.