Optionally a session may check for any updates for installed packages:



In [1]:

    
Pkg.update()









    



INFO: Updating METADATA...
INFO: Updating Geomechanics...
INFO: Updating ParSpMatVec...
INFO: Updating Stan...
INFO: Updating GLAbstraction...
INFO: Updating MeshIO...
INFO: Updating FixedSizeArrays...
INFO: Updating CSoM...
INFO: Updating TP...
INFO: Updating ModernGL...
INFO: Updating NMfE...
INFO: Updating ClassicalLaminateTheory...
INFO: Updating Plots...
INFO: Updating GeometryTypes...
INFO: Updating Gadfly...
INFO: Updating GLVisualize...
INFO: Updating Mustache...
INFO: Updating GLWindow...
INFO: Computing changes...
INFO: No packages to install, update or remove

A few very simple interactive REPL input lines:



In [2]:

    
1+1









    Out[2]:





2



In [3]:

    
2^4









    Out[3]:





16



In [4]:

    
x=5









    Out[4]:





5



In [5]:

    
x^2









    Out[5]:





25



In [6]:

    
y=x+6









    Out[6]:





11



In [7]:

    
x=4









    Out[7]:





4



In [8]:

    
y









    Out[8]:





11



In [9]:

    
1









    Out[9]:





1



In [10]:

    
bits(1)









    Out[10]:





"0000000000000000000000000000000000000000000000000000000000000001"



In [11]:

    
bits(5)









    Out[11]:





"0000000000000000000000000000000000000000000000000000000000000101"



In [12]:

    
length(bits(3))









    Out[12]:





64



In [13]:

    
length(bits(5))/8









    Out[13]:





8.0

Thus 64/8 returns a floating point value. Use the div() function or operator (enter by typing '\div' -no quotes- and press tab):



In [14]:

    
length(bits(5))÷8









    Out[14]:





8



In [15]:

    
bits(-1)









    Out[15]:





"1111111111111111111111111111111111111111111111111111111111111111"

There are many other completions as used above, e.g. \alpha and tab. Or to see possible completions, enter 'type' followed by tab. Select typemax.



In [16]:

    
typemax(Int64)









    Out[16]:





9223372036854775807



In [17]:

    
largest_integer = ans









    Out[17]:





9223372036854775807



In [18]:

    
bits(largest_integer)









    Out[18]:





"0111111111111111111111111111111111111111111111111111111111111111"



In [19]:

    
bits(largest_integer+1)









    Out[19]:





"1000000000000000000000000000000000000000000000000000000000000000"



In [20]:

    
largest_integer+1









    Out[20]:





-9223372036854775808



In [21]:

    
#This is a comment, not evaluated



In [22]:

    
# largest_integer+1 is the smallest_integer



In [23]:

    
typemin(Int64)









    Out[23]:





-9223372036854775808



In [24]:

    
UInt64(1)









    Out[24]:





0x0000000000000001



In [25]:

    
2^63









    Out[25]:





-9223372036854775808



In [26]:

    
bits(2^63)









    Out[26]:





"1000000000000000000000000000000000000000000000000000000000000000"



In [27]:

    
bits(2^63+1)









    Out[27]:





"1000000000000000000000000000000000000000000000000000000000000001"



In [ ]: