This is documentation for Mathematica 4, which was
based on an earlier version of the Wolfram Language.
Wolfram Research, Inc.

1.1.1 Arithmetic

You can do arithmetic with Mathematica just as you would on an electronic calculator.

This is the sum of two numbers.

In[1]:= 2.3 + 5.63

Out[1]=

Here the / stands for division, and the ^ stands for power.

In[2]:= 2.4 / 8.9 ^ 2

Out[2]=

Spaces denote multiplication in Mathematica. You can use a * for multiplication if you want to.

In[3]:= 2 3 4

Out[3]=

You can type arithmetic expressions with parentheses.

In[4]:= (3 + 4) ^ 2 - 2 (3 + 1)

Out[4]=

Spaces are not needed, though they often make your input easier to read.

In[5]:= (3+4)^2-2(3+1)

Out[5]=

Arithmetic operations in Mathematica.

Arithmetic operations in Mathematica are grouped according to the standard mathematical conventions. As usual, 2 ^ 3 + 4, for example, means (2 ^ 3) + 4, and not 2 ^ (3 + 4). You can always control grouping by explicitly using parentheses.

This result is given in scientific notation.

In[6]:= 2.4 ^ 45

Out[6]=

You can enter numbers in scientific notation like this.

In[7]:= 2.3 10^70

Out[7]=

Or like this.

In[8]:= 2.3*^70

Out[8]=