A golf calculator? 29. 

C:\test>perl -le"print eval while<>;"
2+2
4
3*5
15
$a=3**2+4
13
$a/2
6.5
(1+(2*3)+4)/($a%3)
11
^Z

C:\test>

[download]

Or with a Log10 function: 53. (Note: capital L) 

C:\test>perl -le"sub Log{log(pop)/log(10)}print eval while<>;"
Log(100)
2
10**2
100
Log(30)+log(40)
5.1660007088336
10**(Log(30)+Log(40))
1200
exp(log(30)+log(40))
1200

[download]
Cor! Like yer ring! ... HALO dammit! ... 'Ave it yer way! Hal-lo, Mister la-de-da. ... Like yer ring!

In reply to Re: Small Calculator! by BrowserUk
in thread Small Calculator! by Anonymous Monk

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