calc(1) on Linux
The text fb6be8d53e76, as Debian 10 (Buster) shipped it.
arbitrary precision calculator
Flags it lists
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-- -
-C -
-D -
-O -
-c -
-d -
-e -
-f -
-h -
-i -
-m -
-p -
-q -
-s -
-u -
-v