機器
account
accountant
accounting
analyzing
balance
bills
button
calculate
calculating
calculation
calculator
commerce
consulting
data
display
earnings
economy
education
electronics
figures
finance
financial
frames
glasses
graphics
grey
hardware
idea
image
income
insurance
investment
job
key
keyboard
keypad
loan
math
mind
money
mortgage
number
payment
pen
personal
portable
profit
report
tax