18 Math Functions
Example
p
2 V g <
r
³ Problem
What is the area of a circle if the radius is 12 cm?
Reminder: A = p×r
2
g V 12 F <
r
The area of the circle is 144 p square cm. The area of the circle is approximately 452.4
square cm when rounded to one decimal place.
Math
d MATH
d displays the MATH menu:
1:4n/d³´Un/d Converts between simple fractions and mixed-
number form.
2:lcm( Least common multiple
Syntax: lcm(valueA,valueB)
3:gcd( Greatest common divisor
Syntax: gcd(valueA,valueB)
4:4Pfactor Prime factors
5:sum( Summation
Syntax: sum(expression,variable,lower,upper)
(Classic mode syntax)
6:prod( Product
Syntax: prod(expression,variable,lower,upper)
(Classic mode syntax)
7:nDeriv( Numerical derivative at a point with optional
tolerance argument, H, when command is used in
Classic mode, classic entry, and in MathPrint™