Computing Final

Item index

gives the value at an index, when we index we start at 0

Float

number with a decimal point

t.select(label)

constructs a new table with the specified number of columns

**

operator that equates to exponents

Line graph creation method?

plot

Encryption

scrambling info so it can’t be read unless user has a key (i.e. a password)

what are columns?

arrays!

np.arrange

produces a sequence of numbers; start is where sequence begins, stop is where is ends (not included in final array), step is what the array is in increments of (i.e. 5)

np.arrange with 1 value

represents the stop/end value; stop value not included

Password manager

generates/stores/and automatically files strong passwords; vault to passwords is accessible with a master password

np.arrange with two values

start + stop values; stop value is not included

np. arrange with 3 values

start, stop, step/skip

Formula creation via max function?

click cell, then ‘fx’, then click ‘statistical’, then press ‘max’, then enter le range, and finally press ‘ok’

Currency number format?

select le range, then press ‘Number’, then ‘currency’,

Data type only holding True or False values?

Boolean (i.e. > <)

First negative index in an array?

-1

Distribution Graphs

visual tools showing frequency of one variable; ex include histogram, bar charts, box plots