I often forget to bring my scientific calculator to work. So, more often than not, I end-up using Python’s CLI. Windows built-in calc is good, just not good enough in remembering variables previously assigned. The only trouble is that I sometimes forget to attach a module¹ name like math. to a function (known as dot notation). For example,

math.sqrt(ke/Me) instead of just sqrt(ke/Me).

I need to get this in my habit of writing expressions.

Update: Type help(module) or in this case, help(math) on the CLI to see what functions the math module supports.

1. This needs to be preceded by an import module in CLI, e.g., import math once in the session. [←]

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