Addition

$2\+3$ = $5$$$

Subtraction

$7-3$ = $4$$$

Multiplication

(Math mode)

$2\cdot 3$ = $6$ (The explicit asterisk appears as the centered dot.)

$x y$  (The space character is interpreted as the multiplication operator.)

Multiplication

(Text mode)

$6$

Division (Math mode)

Exponentiation

(Math mode)

$x^2$ (Attempting to insert the caret ^ for exponentiation simply raises the cursor.)

Exponentiation

(Text mode)

$x^2$

The Exponential $e$ 

(Math mode)

${\ⅇ}^x$ 

The Exponential $e$ 

(Text mode)

$\ⅇ$

${\ⅇ}^x$

Table A-2.1   Arithmetic operators in Maple

$x\+y$

$x\+y$

$x\+y$

Example A-2.1

Evaluate $\frac{2}{3}\+\frac{5}{7}$ both exactly and as a floating-point (decimal) number.

Example A-2.2

Evaluate ${\left(2\+4\right)}^2 \left(3-1\right)$.

Example A-2.3

Determine if $2^9-1$ is a composite number or a prime. If it is composite, find its integer factors.

Example A-2.4

Explore each of the following: $\sqrt{2}\/3$, |-5|, $e^{-3}$, $\ln \left(4\right)$, ${\log }_2\left(8\right)$.

Example A-2.5

Find exact and floating-point (decimal) values for each of the following:

$\sin \left(\mathrm{\π}\/4\right)$, $\cos \left(1\right)$, $\tan \left(\mathrm{\π}\/12\right)$, ${\sec }^{-1}\left(2\/\sqrt{3}\right)$