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PR#24 for cosine function #24

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PR#24 for cosine function #24

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79739be
added cos function to calculator
athenabaches Feb 7, 2023
1e81b8b
fixed file error
athenabaches Feb 8, 2023
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9 changes: 9 additions & 0 deletions scicalc
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Original file line number Diff line number Diff line change
Expand Up @@ -3,7 +3,10 @@
# A simple command-line scientific calculator.
#

#Cosine(x)#
import sys, math
import numpy as np


def die_with_usage(message):
print("\n****\n**** error: {}\n****\n".format(message), file=sys.stderr)
Expand All @@ -14,6 +17,11 @@ def die_with_usage(message):
print("", file=sys.stderr)
exit(-1)

def cos(x):
"""Return the value of cos(x)"""
return np.cos(x)


#
# The operators.
#
Expand Down Expand Up @@ -58,6 +66,7 @@ operators = {
'sum': add,
'mul': mul,
'log10': log10,
'cos': cos,
}

if __name__ == "__main__":
Expand Down