Texas Instruments TINSPIRE User Manual

Data Collection and Analysis 735
The curve fit details dialog box opens.
4. Review the data and click OK when done.
The following image is an example of curve fit (Quadratic).
Curve fit option Calculated in the form:
Linear y = m*x + b
Quadratic y = a*x^2 + b*x + c
Cubic y=a*x^3+b*x^2+c*x+d
Quartic y = a*x^4 + b*x^3 + c*x^2 + d*x + e
Power (ax^b) y = a*x^b
Exponential
(ab^x)
y= a*b^x
Logarithmic y = a + b*ln(x)
Sinusoidal y = a*sin(b*x + c) + d
Logistic (d 0)
y = c/(1 + a*e^(-bx)) + d
Natural
Exponential
y = a*e^(-c*x)
Proportional y = a*x

Texas Instruments TINSPIRE Specifications

General

Brand	Texas Instruments
Model	TINSPIRE
Category	Calculator
Language	English