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Diffstat (limited to 'contrib/bc/manuals/bc/A.1.md')
| -rw-r--r-- | contrib/bc/manuals/bc/A.1.md | 14 |
1 files changed, 8 insertions, 6 deletions
diff --git a/contrib/bc/manuals/bc/A.1.md b/contrib/bc/manuals/bc/A.1.md index e67c20656e23..5e5b75bb3821 100644 --- a/contrib/bc/manuals/bc/A.1.md +++ b/contrib/bc/manuals/bc/A.1.md @@ -30,7 +30,7 @@ POSSIBILITY OF SUCH DAMAGE. # NAME -bc - arbitrary-precision arithmetic language and calculator +bc - arbitrary-precision decimal arithmetic language and calculator # SYNOPSIS @@ -419,9 +419,9 @@ if they were valid digits, regardless of the value of **ibase**. This means that **35**. In addition, bc(1) accepts numbers in scientific notation. These have the form -**\<number\>e\<integer\>**. The power (the portion after the **e**) must be an -integer. An example is **1.89237e9**, which is equal to **1892370000**. Negative -exponents are also allowed, so **4.2890e-3** is equal to **0.0042890**. +**\<number\>e\<integer\>**. The exponent (the portion after the **e**) must be +an integer. An example is **1.89237e9**, which is equal to **1892370000**. +Negative exponents are also allowed, so **4.2890e-3** is equal to **0.0042890**. Using scientific notation is an error or warning if the **-s** or **-w**, respectively, command-line options (or equivalents) are given. @@ -584,7 +584,7 @@ The operators will be described in more detail below. : The **power** operator (not the **exclusive or** operator, as it would be in C) takes two expressions and raises the first to the power of the value of - the second. + the second. The *scale* of the result is equal to **scale**. The second expression must be an integer (no *scale*), and if it is negative, the first value must be non-zero. @@ -933,6 +933,8 @@ The extended library is a **non-portable extension**. : Calculates **x** to the power of **y**, even if **y** is not an integer, and returns the result to the current **scale**. + It is an error if **y** is negative and **x** is **0**. + This is a transcendental function (see the *Transcendental Functions* subsection below). @@ -1681,7 +1683,7 @@ None are known. Report bugs at https://git.yzena.com/gavin/bc. # AUTHORS -Gavin D. Howard <yzena.tech@gmail.com> and contributors. +Gavin D. Howard <gavin@yzena.com> and contributors. [1]: https://pubs.opengroup.org/onlinepubs/9699919799/utilities/bc.html [2]: https://www.gnu.org/software/bc/ |